{
 "slug": "dog-collars",
 "name": "Dog Collars",
 "root": "pet",
 "unit": "each",
 "unit_as_designed": null,
 "unit_note": "Count the number of complete collars in the listing; for multipacks, multiply the number of collars per pack by the number of packs.",
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  "brick_code": "10008290",
  "brick": "Pet Leads/Collars/Harnesses (Non Powered)",
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   "label": "Neck fit",
   "type": "string",
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   "values": null,
   "why_it_matters": "The collar must fit the dog's measured neck securely without being too tight."
  },
  {
   "key": "adjustable",
   "label": "Adjustable",
   "type": "boolean",
   "unit": null,
   "values": null,
   "why_it_matters": "Adjustment helps achieve a secure, comfortable fit as the dog moves or grows."
  },
  {
   "key": "closure_type",
   "label": "Closure",
   "type": "enum",
   "unit": null,
   "values": [
    "buckle",
    "quick_release",
    "hook_loop",
    "chain_slip",
    "martingale",
    "other"
   ],
   "why_it_matters": "The closure affects how securely and conveniently the collar fastens."
  },
  {
   "key": "material",
   "label": "Material",
   "type": "enum",
   "unit": null,
   "values": [
    "nylon",
    "polyester",
    "leather",
    "cotton",
    "metal",
    "other"
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   "why_it_matters": "Material influences durability, comfort, maintenance, and price."
  },
  {
   "key": "width_cm",
   "label": "Collar width",
   "type": "number",
   "unit": "cm",
   "values": null,
   "why_it_matters": "Width affects comfort and suitability for the dog's size and strength."
  },
  {
   "key": "reflective",
   "label": "Reflective",
   "type": "boolean",
   "unit": null,
   "values": null,
   "why_it_matters": "Reflective details can make a dog more visible during low-light walks."
  }
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 "minimum_spec": {
  "description": "For most dogs, choose an adjustable collar with a secure buckle or quick-release closure, in a size that fits the dog's measured neck. It should sit comfortably without slipping off or restricting breathing.",
  "rules": [
   {
    "key": "adjustable",
    "op": "==",
    "value": true
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   {
    "key": "closure_type",
    "op": "in",
    "value": [
     "buckle",
     "quick_release"
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   }
  ]
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  "material",
  "width_cm",
  "reflective",
  "closure_type"
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 "baseline": {
  "item_id": 231122,
  "name": "Saintrygo Tie Collar Blue, navy, and white",
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    "value": 4.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "neck_fit": "11.8 in circumference",
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    "closure_type": "buckle",
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    "retailer": "amazon",
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     "price": 9.99,
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     "price_usd": 9.99,
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     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": {
      "text": "FREE delivery",
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     "size_text": "11.8 inches (circumference), 5.3 inches (length)",
     "url": "https://www.amazon.com/dp/B09L7TM394",
     "observed_at": "2026-10-10T08:38:26-04:00",
     "age_minutes_at_build": 17506
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   ],
   "url": "/items/231122.json",
   "html": "/items/231122.html",
   "rank": 1
  },
  {
   "id": 231124,
   "name": "YOUALSO Dog Collar with Bell White",
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   "category": "dog-collars",
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    "value": 1.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {
    "neck_fit": "5\u20138 in",
    "adjustable": null,
    "closure_type": "other",
    "material": "other",
    "width_cm": 1.016,
    "reflective": null
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   "shopify_category_id": null,
   "meets_minimum_spec": false,
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   "premium_note": null,
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    "unit_price": 5.98,
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    "url": "https://www.amazon.com/dp/B0D4JVWCZG"
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   "lowest_price": {
    "price": 5.98,
    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0D4JVWCZG"
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   "size_missing": false,
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    {
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     "currency": "USD",
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     "unit_price": 5.98,
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     "in_stock": true,
     "seller": null,
     "first_party": null,
     "shipping": {
      "text": "FREE delivery",
      "price": 0.0
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     "size_text": "XXS(Neck 5-8\")",
     "url": "https://www.amazon.com/dp/B0D4JVWCZG",
     "observed_at": "2026-10-10T10:00:06-04:00",
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   ],
   "url": "/items/231124.json",
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   "rank": 2,
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    "pct_over_baseline": 139.4,
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     "width_cm": [
      null,
      1.016
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      "buckle",
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    },
    "note": null
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  },
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   "name": "YOULY Basic Meow Jacquard Cat Collar, Pink, Small/Medium",
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    "unit": "each"
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   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": null,
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    "unit_price": 6.99,
    "price": 6.99,
    "retailer": "petco",
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   "lowest_price": {
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    "retailer": "petco",
    "url": "https://www.petco.com/product/youly-basic-meow-jacquard-cat-collar"
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   "size_missing": false,
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   "offers": [
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     "retailer": "petco",
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     "currency": "USD",
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     "unit_price": 6.99,
     "availability": "InStock",
     "in_stock": true,
     "seller": "Petco",
     "first_party": true,
     "shipping": {
      "text": "free shipping",
      "price": 0.0
     },
     "size_text": null,
     "url": "https://www.petco.com/product/youly-basic-meow-jacquard-cat-collar",
     "observed_at": "2026-10-10T07:55:14-04:00",
     "age_minutes_at_build": 17549
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   ],
   "url": "/items/213835.json",
   "html": "/items/213835.html",
   "rank": 3,
   "premium": {
    "pct_over_baseline": 179.9,
    "spec_diffs": {},
    "note": null
   }
  },
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   "id": 209654,
   "name": "EveryYay Comfort Chain Dog Collar, Black, Medium",
   "brand": null,
   "gtin": "800443602058",
   "category": "dog-collars",
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    "value": 1.0,
    "unit": "each"
   },
   "size_as_extracted": null,
   "unit_price_unit": "each",
   "specs": {},
   "standard_attributes": {},
   "shopify_category_id": null,
   "meets_minimum_spec": null,
   "tier": null,
   "premium_note": null,
   "best": {
    "unit_price": 7.79,
    "price": 7.79,
    "retailer": "petco",
    "url": "https://www.petco.com/product/everyyay-comfort-chain-dog-collar"
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    "retailer": "petco",
    "url": "https://www.petco.com/product/everyyay-comfort-chain-dog-collar"
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     "price_usd": 7.79,
     "unit_price": 7.79,
     "availability": "OutOfStock",
     "in_stock": false,
     "seller": "Petco",
     "first_party": true,
     "shipping": {
      "text": "free shipping",
      "price": 0.0
     },
     "size_text": null,
     "url": "https://www.petco.com/product/everyyay-comfort-chain-dog-collar",
     "observed_at": "2026-10-09T12:04:34-04:00",
     "age_minutes_at_build": 18740
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   ],
   "url": "/items/209654.json",
   "html": "/items/209654.html",
   "rank": 4,
   "premium": {
    "pct_over_baseline": 211.9,
    "spec_diffs": {},
    "note": null
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  },
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   "id": 231118,
   "name": "UP URARA PUP Bowtie Dog Collar Rose-pink bow print",
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    "value": 1.0,
    "unit": "each"
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   "size_as_extracted": null,
   "unit_price_unit": "each",
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    "neck_fit": "Small",
    "adjustable": true,
    "closure_type": "other",
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    "width_cm": null,
    "reflective": null
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   "standard_attributes": {},
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   "meets_minimum_spec": false,
   "tier": "mid",
   "premium_note": "The cotton bow-print design includes a bow tie and charm for added decoration.",
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    "price": 7.99,
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    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0GVJN243P"
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    {
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     "seller": null,
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      "text": "FREE delivery",
      "price": 0.0
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     "size_text": "S",
     "url": "https://www.amazon.com/dp/B0GVJN243P",
     "observed_at": "2026-10-10T08:35:24-04:00",
     "age_minutes_at_build": 17509
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   ],
   "url": "/items/231118.json",
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     "closure_type": [
      "buckle",
      "other"
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    },
    "note": "The cotton bow-print design includes a bow tie and charm for added decoration."
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  },
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    "unit": "each"
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    "neck_fit": "S",
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     "size_text": "S",
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    "note": null
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  },
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     "size_text": null,
     "url": "https://www.petco.com/product/pets-first-seattle-seahawks-nfl-dog-collar",
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     "age_minutes_at_build": 17692
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   ],
   "url": "/items/212840.json",
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    "pct_over_baseline": 299.2,
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    "note": null
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  },
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    "unit": "each"
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   "unit_price_unit": "each",
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    "retailer": "amazon",
    "url": "https://www.amazon.com/dp/B0989XTL5H"
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     "retailer": "amazon",
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     "in_stock": true,
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     "first_party": null,
     "shipping": {
      "text": "FREE delivery",
      "price": 0.0
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     "size_text": "Neck girth: 9.3\" - 12\"",
     "url": "https://www.amazon.com/dp/B0989XTL5H",
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     "age_minutes_at_build": 17506
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   ],
   "url": "/items/231123.json",
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   "rank": 9,
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    "pct_over_baseline": 299.2,
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     "material": [
      "other",
      "cotton"
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     "closure_type": [
      "buckle",
      "hook_loop"
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    },
    "note": null
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  },
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    "value": 1.0,
    "unit": "each"
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    "url": "https://www.petco.com/product/pet-life-aero-mesh-360-degree-dual-sided-comfortable-and-breathable-adjustable-mesh-dog-collar"
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