Specially Blended Filler Mix Of Sanitized Synthetic And Natural Fibers Provide Resilient Shock Absorbency. Premium Synthetic Polycanvas Along With Superior Heavy Bag Construction Provides Long Lasting Durability. Heavy Duty Nylon Straps Provide Security And Safety, While The Double End Loop Provides Increased Functionality. 80 Lbs; Approximately 42.5″ In Height With A 13.75″ Diameter.