The Grosmimi Stainless Steel Kids Tumbler (10oz / 300ml) is designed for little hands and big adventures. With premium stainless steel construction and a leak-resistant flip-top cap, it’s the perfect tumbler for everyday hydration—whether at school, on outings, or at home. Durable Stainless Steel Body Built with 304 stainless steel on the outside and 314 stainless steel on the inside for safety, hygiene, and long-lasting use. Double-Wall Insulation Keeps drinks at their ideal temperature for hours, so kids can enjoy water, juice, or warm tea fresh anytime. Silicone Drinking Tip Gentle on gums and teeth, the BPA-free silicone tip makes sipping easy and safe. One-Touch Cap with Lock A one-touch flip design that prevents leaks when closed, making it perfect for on-the-go use. Hand Strap Included Comes with a sturdy strap so kids can carry it independently—great for school and travel. Easy to Clean Fully detachable parts (silicone tip, ring, cap, and more) make cleaning and sanitization simple. Dishwasher-safe for convenience.