The York Boxing 4ft punch bag has a diameter of 30cm (11.8") and is manufactured from hard wearing P.U vinyl. It features a quality YKK zip enclosed top with protected seam and is filled with textile material off-cuts. The punch bag includes 4 x reinforced webbed hanging straps with sewn in chrome plated d-rings providing enhanced durability and incorporates anti swing tethered loop facility at base to enable fixing. This 22kg (48.5lbs) punch bag offers double stitched re-enforced seams making it very solid. The swivel is not included.