The developmental cup set is a training set that teaches babies, toddlers and preschoolers to drink from an open cup and safely use a straw. The developmental drinking system starts with the 2oz tiny cup (4 months +), followed by the 4oz mini cup + straw (9 months +) and concludes with the 8oz happy cup + straw (2 years +). - Helps your child succeed with open cup and straw cup drinking - Each tool supports important milestones such as lip closure and tongue elevation - Drinking milestones promote a safe swallow and healthy oral and speech development - Made from high-quality silicone that is bpa, bps, pvc, and phthalate free - Dishwasher safe
