{
  "schema_version": "compare-page.v2",
  "page_id": "baby-bottle-sizes-for-a-growing-baby",
  "url": "https://robotrunk.com/compare/want/baby-bottle-sizes-for-a-growing-baby",
  "title": "Baby bottle sizes for a growing baby",
  "question": "Which baby bottle size works for a baby who is growing?",
  "answer": "Comotomo Baby Bottle 8 oz.: Capacity is 8 oz (250 ml). 8 oz bottles come with Medium Flow nipples for 3-6 months; replacement nipples are sold separately.\nComotomo Baby Bottle 8-Ounce/250 ml Kit: This listing is for three green 8 oz (250 ml) Comotomo baby bottles. The maker’s specification section says the 8 oz bottle comes with a medium-flow nipple for ages 3–6 months; its flow chart instead labels medium flow for ages 3 months and older.\nComotomo Baby Bottle 8 oz/250 ml, 2 Pack: Each bottle holds 8 oz (250 ml) and comes with a medium-flow nipple. The included two-hole medium-flow nipples are intended for babies aged 3–6 months.\nLifefactory 4oz Glass Baby Bottle: The 4 oz bottle is described as the newborn workhorse, sized for early, frequent feeds. The bottle comes with a silicone sleeve, polypropylene cap, ring, stopper, and Stage 1 (0-3 months) silicone nipple.",
  "kind": "baby bottle",
  "market": "US",
  "generated_at": "2026-10-16T15:45:42.325Z",
  "columns": [
    "Capacity",
    "Nipple age",
    "Weight",
    "Anti-colic"
  ],
  "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.f5",
      "product": "Lifefactory 4oz Glass Baby Bottle",
      "field": "included components",
      "value": "The bottle comes with a silicone sleeve, polypropylene cap, ring, stopper, and Stage 1 (0-3 months) silicone nipple.",
      "stated_as": "Our 4oz borosilicate glass baby bottle comes with a silicone sleeve, polypropylene cap, ring, and stopper, and a Stage 1 (0-3 months) silicone nipple.",
      "source_type": "guide",
      "source_url": "https://lifefactory.com/products/4oz-glass-baby-bottle",
      "source_read_at": "2026-10-10T04:29:35.557Z"
    },
    {
      "ref": "p1.f7",
      "product": "Lifefactory 4oz Glass Baby Bottle",
      "field": "newborn use",
      "value": "The 4 oz bottle is described as the newborn workhorse, sized for early, frequent feeds.",
      "stated_as": "The 4 oz bottle is the newborn workhorse.",
      "source_type": "guide",
      "source_url": "https://lifefactory.com/blogs/news/the-complete-guide-to-lifefactory-glass-baby-bottles-what-every-new-parent-needs-to-know",
      "source_read_at": "2026-10-10T04:30:07.549Z"
    },
    {
      "ref": "p8.f1",
      "product": "Comotomo Baby Bottle 8-Ounce/250 ml Kit",
      "field": "Pack and capacity",
      "value": "This listing is for three green 8 oz (250 ml) Comotomo baby bottles.",
      "stated_as": "Comotomo Baby Bottle 8-Ounce/250 ml Kit, Green, Pack of 3",
      "source_type": "listing",
      "source_url": "https://anb-baby.myshopify.com/products.json",
      "source_read_at": "2026-09-24T19:02:00.790Z"
    },
    {
      "ref": "p8.f3",
      "product": "Comotomo Baby Bottle 8-Ounce/250 ml Kit",
      "field": "Weight",
      "value": "The maker lists each 8 oz bottle at 0.38 lb (170 g).",
      "stated_as": "Size\n8 oz (250 ml)\nNipple\nMedium Flow (3-6 months)\nWeight\n0.38 lb (170 g)",
      "source_type": "guide",
      "source_url": "https://comotomo.com/pages/detailed-baby-bottle",
      "source_read_at": "2026-09-24T20:18:45.740Z"
    },
    {
      "ref": "p8.f8",
      "product": "Comotomo Baby Bottle 8-Ounce/250 ml Kit",
      "field": "Vent design",
      "value": "Two vents are positioned on the nipple to maintain airflow without extra vent pieces; the store says this is intended to reduce swallowed air, colic, spit-up, burping and gas.",
      "stated_as": "Comotomo bottles have two anti-colic vents that are smartly placed on the nipple to ensure that your baby’s bottle is perfectly ventilated. This means that your little one drinks milk and not air. Good airflow helps to prevent unwanted colic, spit up, burping, and gas. Plus, there are no extra pieces",
      "source_type": "guide",
      "source_url": "https://anb-baby.myshopify.com/products/comotomo-baby-bottle-8-ounce-250-ml-kit-green-pack-of-3",
      "source_read_at": "2026-09-24T20:18:44.192Z"
    },
    {
      "ref": "p8.f9",
      "product": "Comotomo Baby Bottle 8-Ounce/250 ml Kit",
      "field": "Nipple and age",
      "value": "The maker’s specification section says the 8 oz bottle comes with a medium-flow nipple for ages 3–6 months; its flow chart instead labels medium flow for ages 3 months and older.",
      "stated_as": "Size\n8 oz (250 ml)\nNipple\nMedium Flow (3-6 months)",
      "source_type": "guide",
      "source_url": "https://comotomo.com/pages/detailed-baby-bottle",
      "source_read_at": "2026-09-24T20:18:45.740Z"
    },
    {
      "ref": "p9.f2",
      "product": "Comotomo Baby Bottle 8 oz/250 ml, 2 Pack",
      "field": "Capacity and nipple",
      "value": "Each bottle holds 8 oz (250 ml) and comes with a medium-flow nipple.",
      "stated_as": "Size\n8 oz (250 ml)\nNipple\nMedium Flow (3-6 months)",
      "source_type": "guide",
      "source_url": "https://comotomo.com/pages/detailed-baby-bottle",
      "source_read_at": "2026-09-24T20:40:43.579Z"
    },
    {
      "ref": "p9.f6",
      "product": "Comotomo Baby Bottle 8 oz/250 ml, 2 Pack",
      "field": "Weight",
      "value": "One 8 oz bottle weighs 0.38 lb (170 g).",
      "stated_as": "Weight\n0.38 lb (170 g)",
      "source_type": "guide",
      "source_url": "https://comotomo.com/pages/detailed-baby-bottle",
      "source_read_at": "2026-09-24T20:40:43.579Z"
    },
    {
      "ref": "p9.f8",
      "product": "Comotomo Baby Bottle 8 oz/250 ml, 2 Pack",
      "field": "Age range",
      "value": "The included two-hole medium-flow nipples are intended for babies aged 3–6 months.",
      "stated_as": "medium flow nipples (2 holes) ideal for 3-6 months.",
      "source_type": "guide",
      "source_url": "https://www.comotomo.in/product-page/silicone-green-feeding-bottle-250ml-pack-of-2",
      "source_read_at": "2026-09-24T20:42:27.037Z"
    },
    {
      "ref": "p10.f4",
      "product": "Comotomo Baby Bottle 8 oz.",
      "field": "anti-colic",
      "value": "Built-in dual anti-colic vents provide consistent milk flow and reduce air intake.",
      "stated_as": "Built-in dual anti-colic vents provide consistent milk flow without the unwanted air-intake to prevent colic.",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-08T19:26:07.302Z"
    },
    {
      "ref": "p10.f5",
      "product": "Comotomo Baby Bottle 8 oz.",
      "field": "size",
      "value": "Capacity is 8 oz (250 ml).",
      "stated_as": "Size - 8 oz (250 ml)",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-08T19:26:07.302Z"
    },
    {
      "ref": "p10.f6",
      "product": "Comotomo Baby Bottle 8 oz.",
      "field": "weight",
      "value": "The bottle weighs 0.38 lbs (170 g).",
      "stated_as": "0.38 lbs (170 g)",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-08T19:26:07.302Z"
    },
    {
      "ref": "p10.f7",
      "product": "Comotomo Baby Bottle 8 oz.",
      "field": "nipple included",
      "value": "8 oz bottles come with Medium Flow nipples for 3-6 months; replacement nipples are sold separately.",
      "stated_as": "8oz bottles come with Medium Flow nipples (3-6 months). Replacement nipples are available separately .",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-08T19:26:07.302Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/8837948244222",
      "name": "Comotomo Baby Bottle 8 oz.",
      "url": "/products/ucp/megababiesusa-com/8837948244222",
      "why": "Capacity is 8 oz (250 ml).",
      "cells": [
        {
          "column": "Capacity",
          "fact": {
            "field": "size",
            "value": "Capacity is 8 oz (250 ml).",
            "stated_as": "Size - 8 oz (250 ml)",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-08T19:26:07.302Z"
          }
        },
        {
          "column": "Nipple age",
          "fact": {
            "field": "nipple included",
            "value": "8 oz bottles come with Medium Flow nipples for 3-6 months; replacement nipples are sold separately.",
            "stated_as": "8oz bottles come with Medium Flow nipples (3-6 months). Replacement nipples are available separately .",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-08T19:26:07.302Z"
          }
        },
        {
          "column": "Weight",
          "fact": {
            "field": "weight",
            "value": "The bottle weighs 0.38 lbs (170 g).",
            "stated_as": "0.38 lbs (170 g)",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-08T19:26:07.302Z"
          }
        },
        {
          "column": "Anti-colic",
          "fact": {
            "field": "anti-colic",
            "value": "Built-in dual anti-colic vents provide consistent milk flow and reduce air intake.",
            "stated_as": "Built-in dual anti-colic vents provide consistent milk flow without the unwanted air-intake to prevent colic.",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-08T19:26:07.302Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/6607583969366",
      "name": "Comotomo Baby Bottle 8-Ounce/250 ml Kit",
      "url": "/products/ucp/anbbaby-com/6607583969366",
      "why": "This listing is for three green 8 oz (250 ml) Comotomo baby bottles.",
      "cells": [
        {
          "column": "Capacity",
          "fact": {
            "field": "Pack and capacity",
            "value": "This listing is for three green 8 oz (250 ml) Comotomo baby bottles.",
            "stated_as": "Comotomo Baby Bottle 8-Ounce/250 ml Kit, Green, Pack of 3",
            "source_type": "listing",
            "source_url": "https://anb-baby.myshopify.com/products.json",
            "source_read_at": "2026-09-24T19:02:00.790Z"
          }
        },
        {
          "column": "Nipple age",
          "fact": {
            "field": "Nipple and age",
            "value": "The maker’s specification section says the 8 oz bottle comes with a medium-flow nipple for ages 3–6 months; its flow chart instead labels medium flow for ages 3 months and older.",
            "stated_as": "Size\n8 oz (250 ml)\nNipple\nMedium Flow (3-6 months)",
            "source_type": "guide",
            "source_url": "https://comotomo.com/pages/detailed-baby-bottle",
            "source_read_at": "2026-09-24T20:18:45.740Z"
          }
        },
        {
          "column": "Weight",
          "fact": {
            "field": "Weight",
            "value": "The maker lists each 8 oz bottle at 0.38 lb (170 g).",
            "stated_as": "Size\n8 oz (250 ml)\nNipple\nMedium Flow (3-6 months)\nWeight\n0.38 lb (170 g)",
            "source_type": "guide",
            "source_url": "https://comotomo.com/pages/detailed-baby-bottle",
            "source_read_at": "2026-09-24T20:18:45.740Z"
          }
        },
        {
          "column": "Anti-colic",
          "fact": {
            "field": "Vent design",
            "value": "Two vents are positioned on the nipple to maintain airflow without extra vent pieces; the store says this is intended to reduce swallowed air, colic, spit-up, burping and gas.",
            "stated_as": "Comotomo bottles have two anti-colic vents that are smartly placed on the nipple to ensure that your baby’s bottle is perfectly ventilated. This means that your little one drinks milk and not air. Good airflow helps to prevent unwanted colic, spit up, burping, and gas. Plus, there are no extra pieces",
            "source_type": "guide",
            "source_url": "https://anb-baby.myshopify.com/products/comotomo-baby-bottle-8-ounce-250-ml-kit-green-pack-of-3",
            "source_read_at": "2026-09-24T20:18:44.192Z"
          }
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "anbbaby-com",
        "display_name": "anbbaby.com"
      },
      "product_id": "gid://shopify/Product/6607883108438",
      "name": "Comotomo Baby Bottle 8 oz/250 ml, 2 Pack",
      "url": "/products/ucp/anbbaby-com/6607883108438",
      "why": "Each bottle holds 8 oz (250 ml) and comes with a medium-flow nipple.",
      "cells": [
        {
          "column": "Capacity",
          "fact": {
            "field": "Capacity and nipple",
            "value": "Each bottle holds 8 oz (250 ml) and comes with a medium-flow nipple.",
            "stated_as": "Size\n8 oz (250 ml)\nNipple\nMedium Flow (3-6 months)",
            "source_type": "guide",
            "source_url": "https://comotomo.com/pages/detailed-baby-bottle",
            "source_read_at": "2026-09-24T20:40:43.579Z"
          }
        },
        {
          "column": "Nipple age",
          "fact": {
            "field": "Age range",
            "value": "The included two-hole medium-flow nipples are intended for babies aged 3–6 months.",
            "stated_as": "medium flow nipples (2 holes) ideal for 3-6 months.",
            "source_type": "guide",
            "source_url": "https://www.comotomo.in/product-page/silicone-green-feeding-bottle-250ml-pack-of-2",
            "source_read_at": "2026-09-24T20:42:27.037Z"
          }
        },
        {
          "column": "Weight",
          "fact": {
            "field": "Weight",
            "value": "One 8 oz bottle weighs 0.38 lb (170 g).",
            "stated_as": "Weight\n0.38 lb (170 g)",
            "source_type": "guide",
            "source_url": "https://comotomo.com/pages/detailed-baby-bottle",
            "source_read_at": "2026-09-24T20:40:43.579Z"
          }
        },
        {
          "column": "Anti-colic",
          "fact": null
        }
      ]
    },
    {
      "rank": 4,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9577459220711",
      "name": "Lifefactory 4oz Glass Baby Bottle",
      "url": "/products/ucp/albeebaby-com/9577459220711",
      "why": "The 4 oz bottle is described as the newborn workhorse, sized for early, frequent feeds.",
      "cells": [
        {
          "column": "Capacity",
          "fact": null
        },
        {
          "column": "Nipple age",
          "fact": {
            "field": "included components",
            "value": "The bottle comes with a silicone sleeve, polypropylene cap, ring, stopper, and Stage 1 (0-3 months) silicone nipple.",
            "stated_as": "Our 4oz borosilicate glass baby bottle comes with a silicone sleeve, polypropylene cap, ring, and stopper, and a Stage 1 (0-3 months) silicone nipple.",
            "source_type": "guide",
            "source_url": "https://lifefactory.com/products/4oz-glass-baby-bottle",
            "source_read_at": "2026-10-10T04:29:35.557Z"
          }
        },
        {
          "column": "Weight",
          "fact": null
        },
        {
          "column": "Anti-colic",
          "fact": null
        }
      ]
    }
  ]
}