Nuby's Thirsty Kids Flip-it Bolt cup is great for everyday use, as well as staying hydrated while on-the-go. The Thirsty Kids Flip-it Bolt cup's push-button flip-top has a locking tab to help prevent spills and leaks. The flip-top is also perfect for keeping the spout covered while not in use. The silicone Free Flow spout is gentle on gums and teeth while allowing for natural, easy drinking. The playful designs on the cup bases will make kids smile, while the durable cup base allows parents to have confidence this product will last. The Flip-It Bolt cup features a silicone band around the cup base to make it easier for little hands to grasp and hold.