Inspired by the designs and names of old military tanks, the Rival Mark-I Series brings a bold, new look and a refined shape to one of the most vital pieces of equipment in your boxing workout — the heavy bag. By altering the proportions of a traditional bag, thus increasing the width to height ratio, we've successfully created a bag that is more balanced and efficient. Manufactured of ultra-resistant, engineered microfibre, this beautiful bag is designed to last for years of optimum performance. Weight 50lb (22.5kg) Dimensions 36" x 13" (91cm x 33cm) Features Made of Engineered Microfibre Pre-Filled With Recycled, Shredded Material Zippered Opening to Add or Remove Filling Lining & EVA Padding Attachments Reinforced With 4 Rivets 4 Individual Chains Included, Approx. 19.5" (50cm) Combined Length Carabiner Attachment Included Printed Rival Graphics Embossed Rival Patches