SAFETY FIRST: All water bottles are made of food grade 304 stainless steel inside and out and are BPA and phthalate free. Drinking water safety is vital to your child's healthy development, Mollcity only provides absolutely safe water bottles for you and child to drink water every day! BOTTOM PROTECTION: Don't worry about damage to your water bottle from accidental drops or falls, our silicone sleeve prevents scratches and dents on the bottom to prolong the life of your water bottle. It prevents the water bottle from clinking when it is placed, so there is no drinking disturbance during quiet office and study time. KIDS DESIGN: The wide handle with 180 flexible rotation can disperse the gravity of the water bottle during walking, even if the child carries it for a long time, will not feel pain in the fingers and carry it without pressure. Just twist the top cap easily for a big sip and quick hydration, easy for kids to operate independently. ALL-DAY INSULATION: Vacuum ins