The Heavy Duty Punching Bag is designed to help you work out and develop better swinging skills; it's both functional and durable. To start training and conditioning in style, you need exclusive punching bag. With this bag, you can kick into action in no time while working out your muscles and staying fit. It is constructed using Canvas. Premium Canvas along with superior heavy bag construction provides long lasting durability and functionality. Heavy duty steel chains provide security and safety, increased functionality. Features: Heavy Duty Punching Bag Crafted Using Highly Durable Vinyl Leather Heavy Weight Punching Bag