{"product_id":"grosmimi-stainless-steel-straw-cup-with-flip-top-10oz-12-months","title":"Grosmimi Stainless Steel Straw Cup with Flip Top - 10oz (12 Months+)","description":"\u003cdiv data-birch-description=\"1\"\u003e\n\u003cp\u003eThis Grosmimi stainless steel straw cup is a flip-top cup built for babies 12 months and up, including toddlers moving on from a Stage 1 straw cup or those who need a firmer straw as teething begins. It comes with a Stage 2 straw kit already included, and the dome-shaped flip-top lid has a lock feature that is easier for a baby to manage with one hand.\u003c\/p\u003e\n\u003cp\u003eThe cup is made with an outer layer of 304 stainless steel and an inner layer of 316 stainless steel, with a lid and handle made of BPA-free plastic and a straw made of platinum silicone. It is vacuum insulated to keep drinks hot or cold for up to 6 hours, and the '+' cut straw design is intended to prevent leaking, whether a child is drinking sitting up with the tube in place or lying down without it. All the parts separate easily for cleaning and go back together in a few seconds.\u003c\/p\u003e\n\u003cp\u003eThe cup is not microwave safe, and the maker recommends replacing the silicone straw parts every 2 to 3 months for hygienic use.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOuter layer of 304 stainless steel with an inner layer of 316 stainless steel\u003c\/li\u003e\n\u003cli\u003eDome-shaped flip-top lid with a one-touch lock feature, easy to use one-handed\u003c\/li\u003e\n\u003cli\u003eIncludes Stage 2 straw kit\u003c\/li\u003e\n\u003cli\u003eVacuum insulated to keep beverages hot or cold up to 6 hours\u003c\/li\u003e\n\u003cli\u003e'+ CUT' straw design helps prevent leaks from the bottle\u003c\/li\u003e\n\u003cli\u003eCan be used with the straw while sitting or without it while lying down\u003c\/li\u003e\n\u003cli\u003eParts separate easily for cleaning and reassemble in seconds\u003c\/li\u003e\n\u003cli\u003e360-degree handle for a secure grip\u003c\/li\u003e\n\u003cli\u003eLid and handle are BPA-free plastic; straw is platinum silicone\u003c\/li\u003e\n\u003cli\u003eNot microwave safe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTrustScore\u003c\/h3\u003e\n\u003cp\u003eTrustScore is Birch's proprietary rating, from 0 to 100, built from 50+ signals that reflect what actually matters to parents — safety, materials, recalls, certifications and quality. We don't take paid placements or sponsored rankings, so a score is never influenced by who pays to be seen.\u003c\/p\u003e\n\u003cp\u003eThis product's TrustScore: \u003cstrong\u003e88\/100\u003c\/strong\u003e — weighted across 9 criteria:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBottle Material Inertness: 91\/100\u003c\/li\u003e\n\u003cli\u003eFood-Contact Material Safety: 91\/100\u003c\/li\u003e\n\u003cli\u003eDecoration Lead Risk: 78\/100\u003c\/li\u003e\n\u003cli\u003eHeat \u0026amp; Wear Behavior: 85\/100\u003c\/li\u003e\n\u003cli\u003eNipple Material Safety: 84\/100\u003c\/li\u003e\n\u003cli\u003eRecall History: 97\/100\u003c\/li\u003e\n\u003cli\u003eReplacement Guidance: 91\/100\u003c\/li\u003e\n\u003cli\u003eCertification Credibility: 84\/100\u003c\/li\u003e\n\u003cli\u003eTransparency \u0026amp; Support: 91\/100\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e10oz (300ml)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e19.5cm H x 10.0cm W x 6.9cm D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e216g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBottle Material\u003c\/th\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStraw Material\u003c\/th\u003e\n\u003ctd\u003ePlatinum silicone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSilicone Parts Replacement\u003c\/th\u003e\n\u003ctd\u003eEvery 2-3 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBottle is made of stainless steel\u003c\/li\u003e\n\u003cli\u003eStraw is made of platinum silicone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare Guide\u003c\/h3\u003e\n\u003ch4\u003eRECOMMENDATIONS \u0026amp; WARNINGS\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAlways use this product with adult supervision\u003c\/li\u003e\n\u003cli\u003eNever use straw teats as a soother\u003c\/li\u003e\n\u003cli\u003eContinuous and prolonged sucking of fluids will cause tooth decay\u003c\/li\u003e\n\u003cli\u003eAlways check food temperature before feeding\u003c\/li\u003e\n\u003cli\u003eInspect before each use and pull the feeding teat in all directions. Throw away at the first signs of damage or weakness\u003c\/li\u003e\n\u003cli\u003eDo NOT leave in disinfectant for longer than recommended, as this may weaken the teat\u003c\/li\u003e\n\u003cli\u003eBefore first use place a feeding teat in boiling water for 30 seconds. This is to ensure hygiene\u003c\/li\u003e\n\u003cli\u003ePlease wash before using\u003c\/li\u003e\n\u003cli\u003ePlease use a straw brush when washing the straw and teat\u003c\/li\u003e\n\u003cli\u003eAvoid direct sunlight or fire\u003c\/li\u003e\n\u003cli\u003ePlease replace the silicone parts every 2-3 months for hygienic issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTrustScore breakdown\u003c\/h3\u003e\n\u003cp\u003eWe take what's most important for a product to determine the TrustScore. Here's our research:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBottle Material Inertness — 91\/100\u003c\/strong\u003e\u003cbr\u003eThe bottle body is named as an outer layer of 304 stainless steel with an inner layer of 316 stainless steel, both inert, fully food-grade steel grades disclosed directly on the product listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFood-Contact Material Safety — 91\/100\u003c\/strong\u003e\u003cbr\u003eThe cup's food-contact parts are disclosed as BPA\/BPS\/BPF-free, going beyond a bare BPA-free claim, and the straw is named as platinum silicone, though no migration test result or method is published for the finished cup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDecoration Lead Risk — 78\/100\u003c\/strong\u003e\u003cbr\u003eThe cup body is stainless steel rather than painted glass, so the lead-in-paint vector this criterion targets mostly does not apply, but no lead testing is published for the exterior coating or color finishes on the steel body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeat \u0026amp; Wear Behavior — 85\/100\u003c\/strong\u003e\u003cbr\u003eThe brand tells parents to replace the silicone straw every 2-3 months and to inspect it for damage before each use, but the cup itself is explicitly marked not microwave-safe with no separate guidance on steel-body degradation signals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNipple Material Safety — 84\/100\u003c\/strong\u003e\u003cbr\u003eThe straw is named as platinum silicone, described elsewhere as medical-grade material, but no biocompatibility standard, nitrosamine result, or siloxane test is published for this specific component.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecall History — 97\/100\u003c\/strong\u003e\u003cbr\u003eWe queried the complete CPSC recall database (10,027 records, 1973-2026) for this brand and found no recall at any date, in any role. The corpus's coverage of comparable product classes confirms this is a clean result, not a missed search.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplacement Guidance — 91\/100\u003c\/strong\u003e\u003cbr\u003eThe brand publishes a concrete replacement interval, telling parents to replace the silicone straw every 2-3 months and to inspect it before each use, discarding at the first sign of damage or weakness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification Credibility — 84\/100\u003c\/strong\u003e\u003cbr\u003eThe straw material is said to be tested to LFGB limits for lead, mercury, cadmium and hexavalent chromium, but that covers one component, and no certificate number, lab name or registry entry is published for the finished cup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTransparency \u0026amp; Support — 91\/100\u003c\/strong\u003e\u003cbr\u003eManufacturing is disclosed as designed and made in Korea with consistent batch tolerances across markets, and the brand publishes a concrete 1-year warranty against manufacturing defects with no-questions-asked replacement for leaks or material degradation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Onzenna","offers":[{"title":"Flower Coral","offer_id":45272505679938,"sku":"8809466589379","price":46.8,"currency_code":"USD","in_stock":true},{"title":"Air Balloon Blue","offer_id":45272505712706,"sku":"8809466589362","price":46.8,"currency_code":"USD","in_stock":true},{"title":"Cherry Peach","offer_id":45272505745474,"sku":"8809466589324","price":46.8,"currency_code":"USD","in_stock":true},{"title":"Olive Pistachio","offer_id":45272505778242,"sku":"8809466589317","price":46.8,"currency_code":"USD","in_stock":true},{"title":"Bear Butter","offer_id":45272505811010,"sku":"8809466589300","price":46.8,"currency_code":"USD","in_stock":true},{"title":"Midnight Dino","offer_id":45272505843778,"sku":"8800355660117","price":46.8,"currency_code":"USD","in_stock":true},{"title":"Unicorn","offer_id":45272505876546,"sku":"8800355660124","price":46.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/0761\/7858\/files\/grosmimi-stainless-steel-straw-cup-with-flip-top-10oz-12-months-2204065.webp?v=1790349771","url":"https:\/\/www.birchstore.com\/es\/products\/grosmimi-stainless-steel-straw-cup-with-flip-top-10oz-12-months","provider":"Birch","version":"1.0","type":"link"}