title zero impact wheel shield black/red title boxing the zero impact wheel shield delivers a center target zone on one side that absorbs most of the shock so the trainer, and athlete, receive less stress on impact. exclusive dual sided target – one side is fully padded for regular punch shield training, while the opposite side has zero impact center target zone – offers trainers advanced multi-faceted training options. ultra-light weight shield – less than 36 ozs. – is constructed of thick cut, heavy-duty cowhide leather for professional results and extra-long life. a full 5" of shock dispersing foams surround the zero impact target zone on one side for an intense twin option training session. jumbo, extra thick, comfortable leather side handles are extra reinforced and riveted for professional training. we sincerely recommend this professional, twin sided, ultra-light weight, heavy duty round wheel shied for heavy hitters, elite athletes and trainers seeking a more impact-free workout. size: 15.5" x 5"