Spider Tarp ™ Model RDB-ST is a Jobsite Debris Tarp with a Super-Duty work load of 3,000 lbs. The tarp provide a convenient way of keeping the job site cleaner, saving time, and making customers happier. Meets AS 3668-1989 Standards. Made of Heavy-Duty, 22 oz. rubberized canvas and is equipped with lifting handles and a spider pattern support strapping under the tarp. A tarp can be filled with dirt or other worksite debris. The handles, made of tough tubular nylon webbing, can be used to lift the tarp mechanically using a crane or other similar devices for backfilling or taking the debris away. The extra re-enforced multi-strap webbing on the “Down Side” of the Spider Tarp give the tarp a much higher work load of 3,000 lbs. as compare to 1,000 lbs. work load of our other debris tarps. For more info see lewismfg.com/product/spider-t...