Nuby Flip-It Sport Sipper with flexible straw. No-Spill Easy Grip Design makes it easy for a child's hands to hold. Easy-to-use flip-top cap! Kwik-Flo Anti-Leak System allows liquid to pass through the straw only when sucking action occurs. Leak Resistant sipper with soft, flexible straw.
Features:
Made from polypropylene plastic with a silicone spout
The perfect solution for the child that is ready to stop drinking from a spout
The Vari-Flo valve allows the child to control the liquid's flow rate
Just slide open to sip, or slide shut to protect the straw from dirt or damage for future use
No valve, less mess
some BPA in flip lid, but doesn't come into contact with liquid
