Spill Proof Cup Valve CleanerSave money on replacement valves! The ONLY dishwasher basket made specifically for Spill-Proof Cup Valves! Dishwasher"s water jets agitate and shake basket to thoroughly clean all brands of sippy cup valves. Shaker Arm easily attaches to front or back of dishwasher rack, and the valve basket snaps on and off shaker arm. Washes up to 11 valves at a time! Made in USA.