THOUGHTFULLY DESIGNED: The Developmental Cup Set teaches babies, toddlers and preschoolers to drink from an open cup and safely use a straw. The 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 +). DESIGNED + TESTED BY A PEDIATRIC FEEDING SPECIALIST: All ezpz products are designed to help children meet milestones safely and effectively. This training cup set helps children succeed with open cup and straw drinking milestones. WHY STRAW DRINKING IS IMPORTANT: Learning to drink from a straw is an important developmental milestone that develops lip rounding, supports the development of a mature swallow, and promotes speech development. Upgrade from the limitations of sippy cups to encourage these crucial developmental milestones. QUALITY MATERIAL: Each of the cup + components are made from food-grade silicone that is BPA, BPS, PVC, latex and phthalate free. Soft silicone reduces potential injury to developing gums and teeth. EASY TO USE: All components are dishwasher safe and safe to use with cold, warm and hot foods and liquids. Empower Your Child's Drinking Journey with the ezpz Developmental Cup Set Nurture your child's drinking skills from infancy through toddlerhood with the ezpz Developmental Cup Set. Thoughtfully designed to guide your little one through essential drinking milestones, this set seamlessly transitions from open cup learning to confident straw sipping. A Progressive System for Developmental Success: This comprehensive set begins with the Tiny Cup (2oz), perfect for introducing open cup drinking to babies 4 months and older. As your child grows, they'll progress to the Mini Cup + Straw (4oz), ideal for 9 months and beyond, fostering crucial straw-drinking skills. Finally, the Happy Cup + Straw (8oz) prepares your child for independent drinking at 2 years and up, ensuring a smooth and natural progression. Expert-Designed for Safe and Effective Learning: Created and rigorously tested by a Pediatric Feeding Specialist, the ezpz Developmental Cup Set is more than just drinkware. It's a tool designed to help children achieve developmental milestones safely and effectively. Every component is crafted with your child's well-being in mind. Premium Quality for Growing Children: Each cup and straw is made from 100% food-grade silicone, ensuring a safe and gentle experience for your child. Free from BPA, BPS, PVC, latex, and phthalates, the soft silicone material minimizes the risk of injury to delicate gums and emerging teeth. Convenience and Ease of Use: Designed for busy parents, all components of the ezpz Developmental Cup Set are dishwasher safe, making cleanup a breeze. They're also versatile enough to handle cold, warm, and hot foods and liquids, offering flexibility for all your child's needs. Invest in your child's developmental journey with the ezpz Developmental Cup Set – a safe, effective, and convenient way to nurture their drinking skills from their first sips to confident, independent drinking.