Sport Spout Straw Trainer: Fun straw-shaped spout introduces toddlers to advanced sipping skills and encourages independent drinking skills Less Mess, More Control: Sip-activated no-spill flow keeps clothes, car seats, and floors dry; remove valve to advance to free-flow drinking at your child’s pace Easy for Little Hands: Lightweight 9 oz cup with ergonomic finger indents and slim, easy-to-grip design encourages independent holding and tilting Mix-and-Match Convenience: Interchangeable tops and bottoms let parents customize colors, replace lost pieces, and create a “favorite cup” their child loves Hassle-Free Cleaning: Minimal parts, all dishwasher safe (cap, spout, valve, and cup) for fast, easy cleanup after every use Made for Growing Toddlers: 9oz / 260mL capacity, ideal for toddlers 9+ months, perfect for everyday meals, preschool, playground outings, and family travel