Duct Tape. 2" x 60ydQuality construction resists breakdown from heat and moisture. Cotton blend cloth backing for better laminating strength. Tears straight, edges do not curl. Silver-grey color blends well with duct work. Individually shrink wrapped for longer shelf life. Chemical Compound: Rubber; Color: Silver Gray; Length: 60 yd; Material: Polyethylene; Quantity: 24 per case; Resistance: Heat, Moisture; Width: 2 in; Weight: 5 lb.