280-107540 Shallow 6" Fabricated Cap. Rated for PIP Pipe Drainage only. These also make great dog bowls for food and water for medium dogs. PVC is about as chew proof as it gets. These are also great for coins and other pocket fillers. We use these and the larger ones for screws, bolts, nuts, washers, anything that is heavy and would break a normal plastic bowl. Basically they hold a lot of weight and are indestructible. :-) Made in the U.S.A.