Danco 36549W 2-5/8" OD x 1-11/16" ID x 3/32" thick, Flat Bath Shoe Gasket, 10 per Bag Rubber construction 2-5/8 in. O.D. x 1-11/16 in. I.D. x 3/32 in. thick Provides a positive seal to help prevent leaks Fits between a tub and a drain plug Easy to install