The outer of this great punchbag is made from a hard wearing quality PU and it features hanging straps and 'D' ring attached. It has been filled with shredded fabric to avoid lumps and no gaps. Every punch bag passes through an X-Ray machine before leaving the factory to ensure that no sharp objects have inadvertently entered the bag. Heavy duty PU outer 4 Hanging straps Large vertical logo Sizes: 4ft (30kg approx), 5ft (34kg approx), 6ft (40kg approx)