For double end bag straps that are utterly tear-proof, we introduce our super tough yet super flexible nylon built straps ? designed with demanding training sessions and pro athletes in mind. This floor to ceiling double end bag adjustable strap will not split under pressure and features awesome grip power, amazing pliability and stretch capacity, robust metal elements for added stability, plus a handy adjustability feature for ease of use. Simple to attach and compatible with all RDX? double end punching balls.