Professional all-leather PRO speed bags Designed in the U.S.A. Full cowhide leather with leather welted seams and tough nylon liner makes for the fastest and most durable speed bag on the market. Train like the pros with a Professional speed bag. Comes complete with a latex rubber bladder. Colors: Black, Red Sizes: XS (5x8), S (6x9), M (7x10), L (8x11)