Develop your boxing skills power strength and endurance with the carbon claw sabre tx 5 3ft synthetic leather punch bag made from strong cross fibre synthetic material and filled with compressed cloth the punch bag is a safe but efficient training tool the 20mm foam lining increases the bags strength and durability and the 4 metal d rings and 4 heavy gauge webbing straps make hanging the bag more secure there is a d ring at the bottom to which you can attach weights to stop it swinging mo