Max Strength Bulgarian Bag - Synthetic Leather Suples Bulgarian Bag used as Weight Lifting Bag, Fitness Bag, Trainning Bag, Lift Bag, Judo, Crossfit, Grappling & Sandbag for Women & Men BULGARIAN BAG - Our Bulgarian bag is not only for wrestling, but it is versatile functional training equipment. Max strength Bulgarian bag has unique shape and composition that allows full movement in all the directions. This Bulgarian bag comes with filled 5kg, 10kg & 15kg sand.