1.89" x 120.3 YD, 48mm x 110m, Metallic Flexfix Tape, Use For Metal & Metal Connections, Forms An Air Tight Closure On Flexible Joints, High Tack, Long Life Acrylic Adhesive, No Solvent Odor, Excellent Resistance To Mold, Humidity, Flame Spread, Smoke Generation & High Temperatures, Hand Tearable, UL Coded For Flex Duct & UL 181b-fx 82p4 Listed.