SAFE MATERIALS FOR KIDS: Fimibuke kids insulated water bottle is made of premium 18/8 stainless steel, fully resistant to oxidation and corrosion. This water bottle comprises BPA-free, food-safe, non-toxic materials, making it safe for your kids. In order to maintain the vibrant colors, please clean the cup by hand washing. This metal water bottle includes 1 Toddler Stainless Steel Water Bottle, 1 Leak Proof Lid, 2 Straws, 1 Straw Cleaning Brush. DOUBLE WALLED VACUUM INSULATED: With double-walled vacuum insulation, these kids cups can preserve beverage temperature up to 24 hours for cold and 12 hours for hot. In addition, the double walled design makes the bottle sweat-free, allowing to carry kids favorite drinks around to keep them hydrated without making messes. Also, the top mouth is wide enough for convenient refilling and inserting ice cubes or fruits. This is designed to preserve the quality and temperature of kids beverage! LEAK-PROOF & PORTABLE: With this sippy cup, the seal zone technology in the lids guarantees that each stainless steel water bottle is 100% leak-proof and spill-proof. The straw lid features a sturdy wide rotating handle to make it easy to carry and remove from school bags. Improved straw lid does great in smooth water flow. In addition to the functional design, this offers easy maintenance as it can be easily cleaned using straw brush to clean the nozzle and straw thoroughly to keep from mold. FUN AND EASE OF USE: Available in a wide range of colors and carton patterns, this bottle is made to attract kids attention to keep hydrated. When your kids get it, they will definitely fall in love with this functional and beautiful cups. The lid features a bite valve with a stem tube and shut-off valve, easy for kids to use. It is easy to fit in their school or sports bag, perfect to use on the go, at school, or in the playground. Recommended Age Grading: 3+ years old. IDEAL GIFT GIVING & GUARANTEE: Fimibuke team is committed to provide superior kids insulated water bottles. It's an ideal gift for your kids for Birthday, Children's Day, Christmas, New Year, Back to School. Just choose this cute cups with kids favorite patterns and keep kids beverages quality and fresh. Our team offers superior customer service, high-quality materials, and a life-time warranty. Any questions, send us your issues for solution.