Material:Cork, Rubber, Rubber Cellulose, Rubber Fiber. Thickness:Cork Rubber - 1/8, 1/16 in. Rubber, Cellulose, 3/64 in. Rubber, Fiber, 1/32 in. Length:Cork, Rubber, 10 x 8 5/8, 9, 1/2 x 8 5/8, Rubber, Cellulose, 9, 3/4 x 8 5/8, Rubber, Fiber, 9 1/4 x 8 5/8.
