Invented by legendary Wrestling Olympian and now Coach, Ivan Ivanov, to train Olympic wrestlers. It is now one of the hottest training tools in the fitness industry and fitness enthusiasts from all sports and activities are seeing the great benefit of Bulgarian Bag training. It is manufactured with pride in Bulgaria and built with the toughness and durability to handle everything you can throw at them. Most, if not all of the exercises that can be performed with kettlebells, dumbbells, medicine balls, weight vests, and/or barbells can be performed with the Bulgarian Bag. The Bulgarian Bag also offers movements that cannot be duplicated with any other tool that can allow an athlete to move in all three planes of motion during a single movement! Athletes of every sport can benefit from the unique training techniques. This specific model comes with resistance bands to provide more variety to your workout. The side handles are also modified to allow different types of exercises such as barbell curls and more. Give it a try and bring your functional training to the next level!