Nuby’s Thirsty Kids Super Sipper is great for travel and on-the-go sipping. Our toddler cup is leak-resistant and holds up to 14 ounces (415 ml) of liquid—perfect for staying hydrated! Nuby has designed the Super Sipper cup with a 360° silicone valve that vents air around the straw to allow for easy drinking. These no-spill cups are made with break-resistant materials to help extend the cup life, and come in fun prints to spark your little one’s imagination. The swivel straw is easy to disassemble for a thorough cleaning, and its hygienic cover helps protect the straw while not in use. Keep your little ones happy and hydrated with Nuby’s Thirsty Kids Super Sipper! Holds up to 14 ounces (415 ml) of milk, juice, or water Silicone valve helps prevent spills and leaks Includes a detachable cap to protect the straw when not in use Perfect for little ones just getting the hang of drinking from a straw Set of two straw cups Top-rack dishwasher safe