You do not have to injure your training partner to hone your skill. This MMA Grappling Punching Bag is designed for kickboxers, boxers, and anyone practicing MMA. Unlike other MMA grappling punching bags, it comes empty. You can therefore fill it with shredded towels, blankets, or papers, or mix the material with sand for the best training sessions. It further features quality inner lining, zippers, and stitching for durability. The manufacturer chose an anatomy shape so that you can try as many maneuvers as possible. Features Comes empty Quality zippers, inner lining, and stitching Fillable with shredded towels, blankets, and paper Anatomy shaped Made of leather, Synthetic & Canvas Specs Brand: Feather Skin Material: Leather Size: 4ft, 5ft, 6ft Color: Multicolor