{
  "schema_version": "compare-page.v2",
  "page_id": "crib-mattress-cover-dimensions",
  "url": "https://robotrunk.com/compare/want/crib-mattress-cover-dimensions",
  "title": "Crib mattress cover dimensions",
  "question": "What are the exact dimensions of a crib mattress cover?",
  "answer": "Naturepedic Breathable Ultra Crib Mattress Cover: Fitted cover measures approximately 27.5 by 51.875 by 6 inches; flat pad measures approximately 27.5 by 51.875 inches.\nLullaby Earth Breeze Breathable Washable Crib Mattress Pad: 52\"L x 28\"W.\nNaturepedic Breathable Crib Mattress Cover (mini crib size): The Mini Crib size (SKU PC46-MN) measures 23.5 by 37.5 by 3 inches.",
  "kind": "mattress protector",
  "market": "US",
  "generated_at": "2026-10-20T02:00:12.109Z",
  "columns": [
    "Dimensions",
    "Crib fit",
    "Size listed"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f1",
      "product": "Naturepedic Breathable Crib Mattress Cover",
      "field": "fit and safety use",
      "value": "This size is made for mini cribs and should only be used when properly secured around the mattress corners.",
      "stated_as": "Fits standard size cribs and mini cribs. Only use when properly secured around mattress corners",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-14T20:08:47.220Z"
    },
    {
      "ref": "p1.f7",
      "product": "Naturepedic Breathable Crib Mattress Cover",
      "field": "dimensions",
      "value": "The Mini Crib size (SKU PC46-MN) measures 23.5 by 37.5 by 3 inches.",
      "stated_as": "PC46-MN\nMini Crib\n23.5\" x 37.5\" x 3\"",
      "source_type": "guide",
      "source_url": "https://www.naturepedic.com/products/organic-breathable-crib-cover",
      "source_read_at": "2026-10-15T08:12:22.285Z"
    },
    {
      "ref": "p2.f8",
      "product": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "field": "size",
      "value": "The maker lists the size as Standard Crib.",
      "stated_as": "Standard Crib",
      "source_type": "guide",
      "source_url": "https://www.naturepedic.com/products/organic-breathable-ultra-crib-cover",
      "source_read_at": "2026-10-15T09:42:41.278Z"
    },
    {
      "ref": "p2.f11",
      "product": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "field": "fit",
      "value": "Fits standard size crib mattress.",
      "stated_as": "Fits standard size crib mattress",
      "source_type": "guide",
      "source_url": "https://strolleria.myshopify.com/products/naturepedic-ultra-breathable-mattress-cover",
      "source_read_at": "2026-10-15T09:42:39.543Z"
    },
    {
      "ref": "p2.f12",
      "product": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "field": "dimensions",
      "value": "Fitted cover measures approximately 27.5 by 51.875 by 6 inches; flat pad measures approximately 27.5 by 51.875 inches.",
      "stated_as": "Fitted cover: 27.5\" x 51.875\" x 6\"\nFlat pad: 27.5\" x 51.875\"",
      "source_type": "guide",
      "source_url": "https://www.naturepedic.com/products/organic-breathable-ultra-crib-cover",
      "source_read_at": "2026-10-15T09:42:41.278Z"
    },
    {
      "ref": "p5.f4",
      "product": "Lullaby Earth Breeze Breathable Washable Crib Mattress Pad",
      "field": "Fit",
      "value": "Fits standard size crib mattresses.",
      "stated_as": "Fits standard size crib mattresses",
      "source_type": "listing",
      "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:37:33.489Z"
    },
    {
      "ref": "p5.f5",
      "product": "Lullaby Earth Breeze Breathable Washable Crib Mattress Pad",
      "field": "Dimensions",
      "value": "52\"L x 28\"W.",
      "stated_as": "Dimensions: 52\"L X 28\"W",
      "source_type": "listing",
      "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:37:33.489Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8189249290314",
      "name": "Naturepedic Breathable Ultra Crib Mattress Cover",
      "url": "/products/ucp/strolleria-com/8189249290314",
      "why": "Fitted cover measures approximately 27.5 by 51.875 by 6 inches; flat pad measures approximately 27.5 by 51.875 inches.",
      "cells": [
        {
          "column": "Dimensions",
          "fact": {
            "field": "dimensions",
            "value": "Fitted cover measures approximately 27.5 by 51.875 by 6 inches; flat pad measures approximately 27.5 by 51.875 inches.",
            "stated_as": "Fitted cover: 27.5\" x 51.875\" x 6\"\nFlat pad: 27.5\" x 51.875\"",
            "source_type": "guide",
            "source_url": "https://www.naturepedic.com/products/organic-breathable-ultra-crib-cover",
            "source_read_at": "2026-10-15T09:42:41.278Z"
          }
        },
        {
          "column": "Crib fit",
          "fact": {
            "field": "fit",
            "value": "Fits standard size crib mattress.",
            "stated_as": "Fits standard size crib mattress",
            "source_type": "guide",
            "source_url": "https://strolleria.myshopify.com/products/naturepedic-ultra-breathable-mattress-cover",
            "source_read_at": "2026-10-15T09:42:39.543Z"
          }
        },
        {
          "column": "Size listed",
          "fact": {
            "field": "size",
            "value": "The maker lists the size as Standard Crib.",
            "stated_as": "Standard Crib",
            "source_type": "guide",
            "source_url": "https://www.naturepedic.com/products/organic-breathable-ultra-crib-cover",
            "source_read_at": "2026-10-15T09:42:41.278Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "modernnursery-com",
        "display_name": "modernnursery.com"
      },
      "product_id": "gid://shopify/Product/4798933565540",
      "name": "Lullaby Earth Breeze Breathable Washable Crib Mattress Pad",
      "url": "/products/ucp/modernnursery-com/4798933565540",
      "why": "52\"L x 28\"W.",
      "cells": [
        {
          "column": "Dimensions",
          "fact": {
            "field": "Dimensions",
            "value": "52\"L x 28\"W.",
            "stated_as": "Dimensions: 52\"L X 28\"W",
            "source_type": "listing",
            "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
            "source_read_at": "2026-10-09T19:37:33.489Z"
          }
        },
        {
          "column": "Crib fit",
          "fact": {
            "field": "Fit",
            "value": "Fits standard size crib mattresses.",
            "stated_as": "Fits standard size crib mattresses",
            "source_type": "listing",
            "source_url": "https://modern-nursery-test-store.myshopify.com/products.json",
            "source_read_at": "2026-10-09T19:37:33.489Z"
          }
        },
        {
          "column": "Size listed",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8189249388618",
      "name": "Naturepedic Breathable Crib Mattress Cover",
      "url": "/products/ucp/strolleria-com/8189249388618",
      "why": "The Mini Crib size (SKU PC46-MN) measures 23.5 by 37.5 by 3 inches.",
      "cells": [
        {
          "column": "Dimensions",
          "fact": {
            "field": "dimensions",
            "value": "The Mini Crib size (SKU PC46-MN) measures 23.5 by 37.5 by 3 inches.",
            "stated_as": "PC46-MN\nMini Crib\n23.5\" x 37.5\" x 3\"",
            "source_type": "guide",
            "source_url": "https://www.naturepedic.com/products/organic-breathable-crib-cover",
            "source_read_at": "2026-10-15T08:12:22.285Z"
          }
        },
        {
          "column": "Crib fit",
          "fact": {
            "field": "fit and safety use",
            "value": "This size is made for mini cribs and should only be used when properly secured around the mattress corners.",
            "stated_as": "Fits standard size cribs and mini cribs. Only use when properly secured around mattress corners",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-14T20:08:47.220Z"
          }
        },
        {
          "column": "Size listed",
          "fact": null
        }
      ]
    }
  ]
}