Learning to drink out of an open cup is an important developmental milestone and the Tiny Cup helps baby transition from bottle to cup. Open cup drinking supports healthy oral and speech development, aids with teething, helps baby learn to have a strong swallow and can decrease tooth decay. Designed to fit babys mouth and hands, the soft silicone protects baby's developing teeth. Non-slip silicone grip makes movements to the mouth more successful and interior angle provides even flow for safe drinking. Safe to use with cold, warm and hot foods and liquids. Made with 100% food-grade silicone (BPA, BPS, PVS, phthalate and latex free) that will not wear, fade or corrode. Dishwasher safe. For ages: 4 months+.