Exercise the baby's bite force, invert the leak, the flow is controllable, 360 degrees can absorb the water. Help your child coordinate the ability of the hands and mouth to allow the baby to naturally transition to the wide mouth cup. Properly away from the straw and nipple, it is good for your child's oral health and language development. All raw materials are safe and reliable food grade materials, free of bisphenol A, colorful, and children of all ages will love it. specification: Material: Silicone Color as shown Suitable age: 6 months or more Specifications: Children learn to drink cup 360 degree leak-proof cup student baby training cup magic cup. Help your child coordinate the ability of the hands and mouth to allow the baby to naturally transition to the wide mouth cup. Properly away from the straw and nipple, it is good for your child's oral health and language development. Package Included: 1*Water cup Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.