Now you can practice anywhere! This collapsible barrel is made from durable poly-nylon material, making it extremely lightweight and portable. The "Quick Grip" tabs secure the barrel for compact storage, but when released the barrel springs up to full-size. Includes convenient elastic top cover and also matching bag that can be filled with sand/rocks to weigh down barrel. Great for training and practice to prevent hard hits or knock downs!Be cautious with use during windy weather conditions as the lightweight barrel may move.