Authentic RDX Heavy Duty Unfilled Rex Leather Boxing MMA Kickboxing Muay Thai UFC Punch Bag 4FT/5FT RDX Zero Impact G-Core twinned layer non tear Rex Leather Technology Supplied with free steal chains & Pro bag gloves Heavy duty zip-fastened top closure ensures maximum fill potential (can be used outside) Tethered loop facility at the base of the punch bag ensures swing reduction