Scotch Vinyl Electrical Tape Super 88, 3/4 in x 36 yds, Black, 12 rolls/carton, 48 rolls/case The PVC backing and rubber-resin adhesive are of premium quality for excellent electrical and mechanical protection Tape is moisture-tight, resists abrasion and corrosion, is non-reactive to alkalis and acids, and is suitable for all weather conditions Applies electrical insulation and works as a protective jacket for cables and splices Size is 3/4 in x 36 yds x 8.5 mil Black vinyl tape is engineered with tough PVC material