Best Seller | Munchkin Replacement Valves 2/Pack of 3 Keep your cups in tip-top condition. Kid s love our Munchkin cups so make sure you always have some replacement valves on hand in case one comes loose or you lose it during washing. These patented one-piece easy to clean silicone valves fit all... more | | $16.86 $11.21 FREE shipping go to store |