Extend the lifetime of your Gerber Graduates sippy cup with this pack of two Nuk replacement valves. Each valve slows fluid flow, so your little one can drink comfortably.Features: Replacement valve for all Gerber Graduate Sippy Cups that have a valve Includes: All cup-like rim cups and hard spouts, including Fun Grips Extends use of spill-proof cup Snaps easily into place for convenient use Made of sturdy, durable plastic Controls the flow of liquids Product Features: BPA Free Material: Plastic Color: WhiteMeasures 7.88 inches high x 3.63 inches wide x 1.32 inches long