The carbon claw arma ax 5 4ft synthetic leather punch bag boasts a 20mm foam lining giving great feel and response on each hit letting you improve your technique power and strength the punch bag is filled with compressed cloth material and made from strong cross fibre synthetic fabric so you can be confident that it will withstand heavy punches during your training sessions the 4 metal d rings with 4 heavy gauge webbing straps ensure safety when hanging the bag and there is an additional d