Evelots Ball Cap Washer for Washing Machines & Dish Washers, Visor Hat Cleaner Keep your favorite baseball caps looking clean and new with this ball cap washer. This product allows for safe cleaning of caps in washing machines or dishwashers. Locking mechanism ensures that cap stays secure and in place during washing. Measures approximately 12.75 inches from back to front. The diameter of the circle is approximately 8.75 inches. This will ensure that your caps keep their shape and don't wear down while being cleaned. No more throwing your favorite hats away, this ball cap washer is the answer! Trusted vendor. For years Evelots has provided unique products with a 30 day easy return policy, and 100% satisfaction guarantee.