Speed Bag Bladder

Latex bladder.

Size S used for speed bags measuring 8″ x 5″ (item numbers 220801 & double end bags-need replacement bladder 4230); Size L used for medium & large speed bags. Measuring 9″ x 6″, 10″ x 7″ and 11″ x 8″ bags (item numbers 220901, 221001, 4215, 4241, 4242, P00000341, P00000774).