Boxing Trainer Heavy DutyTrojan Free standing punch bag. Best design that rebounds perfectly with each hit. High density shock absorbing foam padding with polyurethane coated in the outer layer. Designed for punching and kicking. Vinyl base can be filled with either sand or water + 130 to 140 Kg when filled. This bag base is round which allows for easy relocation. A removable foam collar is included for added protection. This punch bag stand is excellent value for money and