Stainless Steel Straw Cup 300ml – Sky Balloon – Grosmimi
Up, up and away. The Grosmimi Stainless Steel Straw Cup in Sky Balloon is a 300ml (10oz) straw cup from Grosmimi, Korea's premium baby feeding brand, decorated with hot-air balloons, clouds, sunshine and rainbows with soft sky-blue cap and handles. Suitable from 10 months, it keeps drinks just right on outings.
Key Features
- Double-walled, vacuum-insulated body keeps drinks hot or cold for up to 6 hours
- 304 stainless steel outer layer and 316 stainless steel inner layer
- Dome-shaped One Touch flip-top cap with lock
- Soft platinum silicone straw
- Easy-grip handles; BPA-free lid and handles
Also available in Dotgom Bear Butter and Olive Pistachio. Prefer a lighter cup? See the PPSU Straw Cup in Space White, or browse the complete Grosmimi collection at littlewild kids.
Brand: Grosmimi | Capacity: 300ml (10oz) | Material: Stainless steel (304 outer / 316 inner); BPA-free lid and handles; platinum silicone straw | Age: 10 months+ | Included: straw kit, One Touch dome cap
You Might Be Wondering
Q: What's the difference between stainless steel and PPSU cups?
A: Stainless steel cups are vacuum insulated to keep drinks hot or cold for longer, while PPSU cups are lighter and can be sterilized at high heat. Choose stainless for temperature control on the go.
Q: How long does it keep drinks cold?
A: Grosmimi states the vacuum-insulated body keeps drinks hot or cold for up to 6 hours.
Q: What age is it for?
A: Grosmimi lists this cup as suitable from 10 months.
Material: Stainless steel, Silicone
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Frequently Asked Questions
Orders ship within 3–5 business days and arrive within 3–10 business days of your order. Shipping is free on orders over $99; for smaller orders it is calculated at checkout. We ship within the United States only, and local pickup is available in Santa Fe Springs, CA.
We accept returns of full-price items within 7 days of delivery. Items must be unworn, unwashed, and in original packaging with tags attached. Sale and discounted items are final sale. See our refund policy for details.
Each brand uses its own sizing, so check the size range in the product description. If your child is between sizes, we recommend sizing up for a comfortable fit. Email support@littlewildkid.store with your child's age and height and we'll help you choose.