{
 "slug": "disposable-heat-packs",
 "name": "Disposable Heat Packs",
 "root": "household",
 "unit": "each",
 "unit_as_designed": null,
 "unit_note": "Count individual heat-pack pieces, multiplying the listed pack count by the number of packs per multipack. For products sold as pairs, count the individual packs in the pair (for example, one pair is two packs).",
 "gpc": null,
 "google_product_category": {
  "id": 3508,
  "path": "Sporting Goods > Outdoor Recreation > Camping & Hiking > Chemical Hand Warmers"
 },
 "taxonomy": {
  "google": {
   "id": 3508,
   "path": "Sporting Goods > Outdoor Recreation > Camping & Hiking > Chemical Hand Warmers"
  }
 },
 "fields": [
  {
   "key": "intended_use",
   "label": "Intended use",
   "type": "enum",
   "unit": null,
   "values": [
    "general_body",
    "clothing_adhesive",
    "footwear",
    "targeted_body",
    "low_temperature",
    "unknown"
   ],
   "why_it_matters": "Shows whether the pack suits ordinary warming or a specific placement or temperature need."
  },
  {
   "key": "attachment",
   "label": "Attachment",
   "type": "enum",
   "unit": null,
   "values": [
    "adhesive",
    "nonadhesive",
    "unknown"
   ],
   "why_it_matters": "Adhesive packs stay in place on clothing, while nonadhesive packs can be moved or carried."
  },
  {
   "key": "size_class",
   "label": "Size",
   "type": "enum",
   "unit": null,
   "values": [
    "mini",
    "regular",
    "large",
    "specialty",
    "unknown"
   ],
   "why_it_matters": "Pack size affects coverage, portability, and suitability for particular body areas."
  },
  {
   "key": "duration_h",
   "label": "Heat duration",
   "type": "number",
   "unit": "h",
   "values": null,
   "why_it_matters": "Longer-lasting warmth can reduce how often packs need replacing."
  },
  {
   "key": "max_temp_c",
   "label": "Maximum temperature",
   "type": "number",
   "unit": "\u00b0C",
   "values": null,
   "why_it_matters": "Indicates heat intensity and helps distinguish warmer packs from gentler options."
  }
 ],
 "minimum_spec": {
  "description": "For ordinary body warming, choose a pack intended for general body or clothing use that provides at least six hours of heat. Follow the product\u2019s placement and use instructions.",
  "rules": [
   {
    "key": "intended_use",
    "op": "in",
    "value": [
     "general_body",
     "clothing_adhesive"
    ]
   },
   {
    "key": "duration_h",
    "op": ">=",
    "value": 6
   }
  ]
 },
 "premium_dimensions": [
  "intended_use",
  "attachment",
  "size_class",
  "duration_h",
  "max_temp_c"
 ],
 "baseline": {
  "item_id": 171344,
  "name": "Daiso Non-Adhesive Heat Pack White",
  "unit_price": 0.09075,
  "retailer": "daisonet"
 },
 "items": [
  {
   "id": 171344,
   "name": "Daiso Non-Adhesive Heat Pack White",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 8.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "general_body",
    "attachment": "nonadhesive",
    "size_class": "mini",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.09075,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537528"
   },
   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537528"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "daisonet",
     "retailer_id": "14610887672180",
     "gtin": null,
     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.09075,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4550480537528",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171344.json",
   "html": "/items/171344.html",
   "rank": 1
  },
  {
   "id": 171345,
   "name": "Daiso Stick-On Heat Pack",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 8.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "clothing_adhesive",
    "attachment": "adhesive",
    "size_class": "mini",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.09075,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537375"
   },
   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537375"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "daisonet",
     "retailer_id": "14610887541108",
     "gtin": null,
     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.09075,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4550480537375",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171345.json",
   "html": "/items/171345.html",
   "rank": 2,
   "premium": {
    "pct_over_baseline": 0.0,
    "spec_diffs": {
     "intended_use": [
      "general_body",
      "clothing_adhesive"
     ],
     "attachment": [
      "nonadhesive",
      "adhesive"
     ]
    },
    "note": null
   }
  },
  {
   "id": 171341,
   "name": "Daiso Stick-On Heat Pack Black",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 7.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "clothing_adhesive",
    "attachment": "adhesive",
    "size_class": "mini",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.103714,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537894"
   },
   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537894"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "daisonet",
     "retailer_id": "14610887770484",
     "gtin": null,
     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.103714,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4550480537894",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171341.json",
   "html": "/items/171341.html",
   "rank": 3,
   "premium": {
    "pct_over_baseline": 14.3,
    "spec_diffs": {
     "intended_use": [
      "general_body",
      "clothing_adhesive"
     ],
     "attachment": [
      "nonadhesive",
      "adhesive"
     ]
    },
    "note": null
   }
  },
  {
   "id": 171342,
   "name": "Daiso Non-Adhesive Heat Pack",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 7.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "general_body",
    "attachment": "nonadhesive",
    "size_class": "mini",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.103714,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537887"
   },
   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537887"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "daisonet",
     "retailer_id": "14610887737716",
     "gtin": null,
     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.103714,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4550480537887",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171342.json",
   "html": "/items/171342.html",
   "rank": 4,
   "premium": {
    "pct_over_baseline": 14.3,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 171343,
   "name": "Daiso Stick-On Heat Pack",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 7.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "clothing_adhesive",
    "attachment": "adhesive",
    "size_class": "mini",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.103714,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537870"
   },
   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480537870"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "daisonet",
     "retailer_id": "14610887704948",
     "gtin": null,
     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.103714,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4550480537870",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171343.json",
   "html": "/items/171343.html",
   "rank": 5,
   "premium": {
    "pct_over_baseline": 14.3,
    "spec_diffs": {
     "intended_use": [
      "general_body",
      "clothing_adhesive"
     ],
     "attachment": [
      "nonadhesive",
      "adhesive"
     ]
    },
    "note": null
   }
  },
  {
   "id": 171339,
   "name": "Daiso Stick-On Heat Pack",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 6.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "clothing_adhesive",
    "attachment": "adhesive",
    "size_class": "regular",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
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    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480570181"
   },
   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480570181"
   },
   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
     "retailer": "daisonet",
     "retailer_id": "14610895798644",
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     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.121,
     "availability": "InStock",
     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4550480570181",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171339.json",
   "html": "/items/171339.html",
   "rank": 6,
   "premium": {
    "pct_over_baseline": 33.3,
    "spec_diffs": {
     "intended_use": [
      "general_body",
      "clothing_adhesive"
     ],
     "attachment": [
      "nonadhesive",
      "adhesive"
     ]
    },
    "note": null
   }
  },
  {
   "id": 171340,
   "name": "Daiso Non-Adhesive Heat Pack",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 6.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "general_body",
    "attachment": "nonadhesive",
    "size_class": "regular",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
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    "price": 110.0,
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   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480570174"
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   "size_missing": false,
   "unranked_reason": null,
   "offers": [
    {
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     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.121,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4550480570174",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171340.json",
   "html": "/items/171340.html",
   "rank": 7,
   "premium": {
    "pct_over_baseline": 33.3,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 171332,
   "name": "Daiso Non-Adhesive Heat Pack",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 5.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "general_body",
    "attachment": "nonadhesive",
    "size_class": "mini",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.1452,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4582228254022"
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   "lowest_price": {
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    "retailer": "daisonet",
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   "unranked_reason": null,
   "offers": [
    {
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     "price": 110.0,
     "currency": "JPY",
     "price_usd": 0.726,
     "unit_price": 0.1452,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
     "shipping": null,
     "size_text": null,
     "url": "https://www.daisonet.com/products/4582228254022",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171332.json",
   "html": "/items/171332.html",
   "rank": 8,
   "premium": {
    "pct_over_baseline": 60.0,
    "spec_diffs": {},
    "note": null
   }
  },
  {
   "id": 171331,
   "name": "Daiso Stick-On Heat Pack Low temperature",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 4.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "low_temperature",
    "attachment": "adhesive",
    "size_class": "regular",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.1815,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4582228254039"
   },
   "lowest_price": {
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4582228254039"
   },
   "size_missing": false,
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   "offers": [
    {
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     "retailer_id": "8123195392318",
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     "price": 110.0,
     "currency": "JPY",
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     "unit_price": 0.1815,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": null,
     "first_party": null,
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     "size_text": null,
     "url": "https://www.daisonet.com/products/4582228254039",
     "observed_at": "2026-10-09T10:45:12-04:00",
     "age_minutes_at_build": 18819
    }
   ],
   "url": "/items/171331.json",
   "html": "/items/171331.html",
   "rank": 9,
   "premium": {
    "pct_over_baseline": 100.0,
    "spec_diffs": {
     "intended_use": [
      "general_body",
      "low_temperature"
     ],
     "attachment": [
      "nonadhesive",
      "adhesive"
     ]
    },
    "note": null
   }
  },
  {
   "id": 171338,
   "name": "Daiso Sock Heat Pack",
   "brand": "Daiso",
   "gtin": null,
   "category": "disposable-heat-packs",
   "size": {
    "value": 4.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "intended_use": "footwear",
    "attachment": "adhesive",
    "size_class": "specialty",
    "duration_h": null,
    "max_temp_c": null
   },
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": false,
   "tier": "basic",
   "premium_note": null,
   "best": {
    "unit_price": 0.1815,
    "price": 110.0,
    "retailer": "daisonet",
    "url": "https://www.daisonet.com/products/4550480570327"
   },
   "lowest_price": {
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