Constructed of soft, genuine leather with a beautifully textured grain, this Rival Boxing 8" Double End Bag with Pump is just what you need to bring some versatility to your workout. Not only will it help you improve speed and accuracy, but also timing and defense. Designed for perfect balance and reduced strain on the seams, this skillfully crafted bag will stand the test of time. The thick lateral straps are made of super resilient nylon seatbelt webbing with heavy-duty attachment buckles incorporated into them. The double-stitched seams help to reinforce the structure of the bag, increasing its durability and giving it an extra-long lifespan. What's more, it comes with its own inflation pump! Features: Soft, genuine leather construction with double-stitched seams. Resilient lateral straps made of nylon seatbelt webbing. Incorporated heavy-duty attachment buckles. 8" diameter and 7 PSI maximum inflation. Printed Rival graphics. Inflation pump is included; Shock cord is sold separately.