Great for both aerobic and anaerobic exercise the heavy bag is a staple piece of boxing and martial arts equipment found in homes and gyms across the country. This heavy bag is filled with a patented mix of fibers and covered in a durable canvas shell to provide you with maximum shock absorbency and resiliency. This bag will withstand the rigors of you most intense workout as well as protect you from the harmful effcts of repeated, jarring impacts by absorbing them. The white canvas bag covering has a bold, traditional look to it and proudly displays the Everlast logo. Available in 40, 70 and 100 lb weights.