The Pro-Tex Covered Shoulder Pads attach to the straps on all backpack blowers and sprayers and around the harnesses of brush cutters and large string trimmers. Made of 1/2" closed cell foam covered with waterproof and durable polyester material, they provide incredible relief to the shoulders and back of the operator allowing him to fight fatigue and extend his time of using the piece of equipment. Fully adjustable with Velcro fasteners. Made for many seasons of commercial use. Ship wt .5 lb