3" x 60 yds. Silver 3M 3939 Duct Tape. An all around performer for jobs ranging from containment sealing to masking_x000D_ for sandblast overspray protection. Natural rubber adhesive grips on contact to many surfaces._x000D_ Waterproof backing resists wear, abrasion, moisture, and weathering._x000D_ Tears easily straight across and down without curling._x000D_ Tack-free edges._x000D_ Writable surface._x000D_ Meets UL723, HUD, BOCA codes._x000D_ Data Sheet_x000D_ Brochure