Grosmimi Stainless Steel Straw Cup with Flip Top - 10oz (300ml)
Grosmimi Stainless Steel Straw Cup with Flip Top - 10oz (300ml)
Material: Stainless Steel
Size & Type: 10oz & Flip Top
Bisphenol-A Free
Double-Wall Insulation
360° Handle for a Secure Grip
Leak-Preventing (+) Cut Design
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Description
Description
Specs
Specs
Materials
Materials
Care Guide
Care Guide
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Korea’s No.1 Toddler Straw Cup
946,000+
Cups sold annually
30+ Countries
Loved by Moms Worldwide
Patented tech
related to straw nipples
CPSIA Compliant
Tested by a CPSC - verified Laboratories
Stainless Steel
Stainless Steel is a high-performance material known for its exceptional durability and resistance to rust and corrosion. Commonly used in medical, food, and industrial applications, it is a safe and hygienic choice for various products. Stainless Steel is perfect for baby bottles, cups, and kitchenware as it does not absorb odor or color and maintains its quality even after repeated sterilization. Unlike plastic, it is unbreakable and highly resistant to temperature changes, ensuring long-lasting use. There is no better choice. Now, stainless steel products come in various finishes, from classic silver to modern matte black, offering both style and functionality. Try Grosmimi Stainless Steel.
Innovative Technology
● Made from liquefied silicone.
● Which is material for baby nipples.
● The textures are about the same.
● Babies can get used to a straw without any resistance.
● Cross cut straws will not leak or backflow.
Effortless Cleaning & Assembly
● All parts are simply removable.
● Easy to clean.
● Dishwasher safe.
● Easy to reassemble.
Customize your own bottle
● We got variety of kits.(sold separately)
● No matter which feeding style you have.
● Any combination is possible.
● You can customize your own bottle with a wide selection.
● It is also compatible with other selected brands.
Safe, No Polishing Compounds!
Electropolished, not treated with polishing compounds. No residue left behind—just a pristine, premium finish you can trust for safe, everyday use.
Replacement
We're answerable!
When should I replace the straw, and how?
When should I replace the straw, and how?
Grosmimi grows with your child! Start with a baby bottle and easily switch to a straw cup by changing the parts—no need to buy a whole new cup.
EASY TEAT: Available in 4 stages:
(Stage 1: 1–3 months, Stage 2: 3–5 months, Stage 3: 5–8 months, Stage 4: 8 months+)
SPOUT: Great for babies (4M+) starting baby food early.
WEIGHTED KIT: Helps babies (6M+) drink from any angle while holding the cup.
STAGE 1 STRAW: A super soft straw (6M+), made from the same material as baby nipples, helps babies transition to straw drinking comfortably.
STAGE 2 STRAW: A firmer straw (12M+) for older babies. The flow is the same as Stage 1, but the silicone is stronger. Switch to Stage 2 when babies start chewing more.
- Silicone straws & mouthpieces: Every 2-3 months
- PPSU bottle: Every 6-12 months
- Replacement timing may vary based on usage.
What’s the difference between stage 1 and stage 2 straws?
What’s the difference between stage 1 and stage 2 straws?
- First-stage: Softer, for beginners or non-chewers.
- Second-stage: Firmer, for children over 12 months who chew frequently.
- Grosmimi cups come with first-stage straws by default.
How do I sterilize Grosmimi straw cups at home?
How do I sterilize Grosmimi straw cups at home?
It can also be hygienically maintained through various sterilization methods, including boiling, steam sterilization, dishwasher, UV sterilization, and microwave sterilization.
What is the function of an air valve?
What is the function of an air valve?
It helps regulate pressure balance when there is a difference between internal and external pressure, requiring a pinch to function properly. This feature is especially useful when there is a temperature difference with external environments, such as warm water, and plays a crucial role in preventing leaks.
How do I choose the right cup size?
How do I choose the right cup size?
If your baby is new to straw cups, the shorter 200ml size is often easier for them to handle. For basic use like water or small quantities of liquids, 200ml is sufficient. If your child drinks more or if you plan to fill it with milk or other beverages, a 300ml cup is recommended.
- MHMimi H.Verified BuyerReviewingGrosmimi Stainless Steel Straw Cup with Flip Top - 10oz (300ml)I recommend this productBaby's Age 6 Months - 2 Years, 2 Years - 8 YearsBaby's Height Under 26.5 Inches, 36.5 Inches to 42.5 InchesRated 5 out of 5 stars9 hours agoGrosmimi Stainless Steel Cup
We have 4 of these cups and getting more. The last one we received had an issue with the cup where the handle would not swivel. The team quickly responded to replace it for me. I love that it doesn’t leak and it’s easy to clean.
- FIFarida I.Verified BuyerReviewingGrosmimi Stainless Steel Straw Cup with Flip Top - 10oz (300ml)I recommend this productBaby's Age 6 Months - 2 YearsBaby's Height 26.5 Inches to 31.5 InchesRated 5 out of 5 stars1 week agoGood
Absolutely love this cup! The stainless steel keeps my baby's drinks at the perfect temperature, and the straw is super convenient. Definitely worth it! 😍
- KSKendra S.Verified BuyerReviewingGrosmimi Stainless Steel Straw Cup with Flip Top - 10oz (300ml)I recommend this productBaby's Age 6 Months - 2 YearsBaby's Height 26.5 Inches to 31.5 InchesRated 4 out of 5 stars1 month agoVery good cup
It’s expensive, but it is a quality stainless steel cup. My daughter has 4 of them now!
- AAimeeReviewingGrosmimi Stainless Steel Straw Cup with Flip Top - 10oz (300ml)I recommend this productRated 5 out of 5 stars2 months ago5 Stars
LOVE this brand and its products! So expensive but it lasts and the aesthetic is so beautiful!
- NNikitaReviewingGrosmimi Stainless Steel Straw Cup with Flip Top - 10oz (300ml)I recommend this productRated 5 out of 5 stars2 months ago5 Stars
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