{
  "_meta": {
    "dataset": "catalog",
    "section": "mattresses",
    "title": "ItemFits Open Catalog Database",
    "source": "https://itemfits.com/data/catalog/mattresses",
    "permalink": "https://itemfits.com/data/catalog/mattresses",
    "citation": "ItemFits Open Catalog Database. A provenance-tracked reference of doorway, vehicle cargo, furniture, mattress, and appliance dimensions, free to reuse with attribution. https://itemfits.com/data/catalog",
    "reuseTerms": "Free to reuse with attribution to ItemFits. Cite the source URL below.",
    "publisher": "ItemFits",
    "generatedAt": "2026-09-30T15:15:32.882Z",
    "version": "C-2",
    "variableMeasured": [
      "width_mm",
      "depth_mm",
      "height_mm",
      "source",
      "provenance_tier"
    ],
    "rowCount": 6
  },
  "rows": [
    {
      "id": "mattresses:twin-mattress",
      "section": "mattresses",
      "name": "Twin Mattress",
      "dims": {
        "w": 965,
        "d": 1905,
        "h": 254,
        "unit": "mm"
      },
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        "name": "ItemFits dimension reference"
      },
      "measurementStandard": null,
      "notes": null
    },
    {
      "id": "mattresses:twin-xl-mattress",
      "section": "mattresses",
      "name": "Twin XL Mattress",
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        "w": 965,
        "d": 2032,
        "h": 254,
        "unit": "mm"
      },
      "tier": "observed_catalog",
      "source": {
        "name": "ItemFits dimension reference"
      },
      "measurementStandard": null,
      "notes": null
    },
    {
      "id": "mattresses:full-mattress",
      "section": "mattresses",
      "name": "Full/Double Mattress",
      "dims": {
        "w": 1372,
        "d": 1905,
        "h": 254,
        "unit": "mm"
      },
      "tier": "observed_catalog",
      "source": {
        "name": "ItemFits dimension reference"
      },
      "measurementStandard": null,
      "notes": null
    },
    {
      "id": "mattresses:queen-mattress",
      "section": "mattresses",
      "name": "Queen Mattress",
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        "w": 1524,
        "d": 2032,
        "h": 254,
        "unit": "mm"
      },
      "tier": "observed_catalog",
      "source": {
        "name": "ItemFits dimension reference"
      },
      "measurementStandard": null,
      "notes": null
    },
    {
      "id": "mattresses:king-mattress",
      "section": "mattresses",
      "name": "King Mattress",
      "dims": {
        "w": 1930,
        "d": 2032,
        "h": 254,
        "unit": "mm"
      },
      "tier": "observed_catalog",
      "source": {
        "name": "ItemFits dimension reference"
      },
      "measurementStandard": null,
      "notes": null
    },
    {
      "id": "mattresses:cal-king-mattress",
      "section": "mattresses",
      "name": "California King Mattress",
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        "d": 2134,
        "h": 254,
        "unit": "mm"
      },
      "tier": "observed_catalog",
      "source": {
        "name": "ItemFits dimension reference"
      },
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  ]
}