Interchange Freshness Lids & Valves: The baby and kids freshness lid and silicone valve can be used on both cups
Description
360° EVEN-SEAL drinking edge, No spouts, levers or buttons. Drink through gentle sucking without the need to press buttons, move levers, or sip on straws and spouts. The 360° Uni-Flow drinking edge allows you to just pick up the cup and drink anywhere along the rim. After drinking, the valve automatically seals itself until you take another drink. The Wow Cup is spill free, worry free and hassle free.
