The ezpz Tiny Cup is designed to fit baby’s mouth and hands. 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. The ezpz Tiny Cup's soft silicone protects baby's developing teeth and non-slip silicone grip makes movements to the mouth more successful. Made from high quality silicone that is BPA, BPS, PVC, lead, latex and phthalate free. 4+ months. Dimensions: 2.2 x 2.2 x 2.5.