Let your little one sip without the spills with the 9oz Click Lock Insulated Sippy Cup by Munchkin. It features leak-proof protection you can see, feel and hear - just turn the lid until you hear the click and you are all locked and set - guaranteed! Insulated for cooler, fresher drinks with a clear outer with color tinted inner cup so Mom can see fill level. Cleanup is a snap - top rack dishwasher safe. BPA free and ideal for little ones 9+ months.