25 lb. per inch of width tensile strength9 mil thicknessWaterproof polyethylene film over cloth scrim backing with a rubber adhesiveSelect an Item25 lb. per inch of width tensile strength9 mil thicknessWaterproof polyethylene film over cloth scrim backing with a rubber adhesive3M™ 3939 Silver Duct Tapehttp://s7d5.scene7.com/is/image/Staples/s0246665_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0246665_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0246665/3M-3939-Silver-Duct-Tape/product_SS10564053M™ 3939 Silver Duct Tape0.0025 lb. per inch of width tensile strength9 mil thicknessWaterproof polyethylene film over cloth scrim backing with a rubber adhesive24 Rolls/Case2" x 60 yds., 24/Case25 lb. per inch of width tensile strength9 mil thicknessWaterproof polyethylene film over cloth scrim backing with a rubber adhesive3M™ 3939 Silver Duct Tape, 2" x 60 yds., 24 Rolls/Casehttp://s7d5.scene7.com/is/image/Staples/s0246665_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0246665_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0246665/3M-3939-Silver-Duct-Tape-2-inch-x-60-yds-24-Rolls/product_9094983M™ 3939 Silver Duct Tape, 2" x 60 yds., 24 Rolls/Case0.0025 lb. per inch of width tensile strength9 mil thicknessWaterproof polyethylene film over cloth scrim backing with a rubber adhesive3 Rolls/Case2" x 60 yds., 3/Case25 lb. per inch of width tensile strength9 mil thicknessWaterproof polyethylene film over cloth scrim backing with a rubber adhesive3M™ 3939 Silver Duct Tape, 2" x 60 yds., 3 Rolls/Casehttp://s7d5.scene7.com/is/image/Staples/s0246665_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0246665_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0246665/3M-3939-Silver-Duct-Tape-2-inch-x-60-yds-3-Rolls/product_4058623M™ 3939 Silver Duct Tape, 2" x 60 yds., 3 Rolls/Case0.00