Material: Duct Tape Net Quantity (N): 1 This butyl seal tape is made from butyl rubber by special processing, anti-aging, sealing, waterproofing, high and low temperature resistance, fire retardant, insulation,chemically resistant and UV resistant . This sealant tape is widely used in roofing of the building, surface crack, RV repair, window, boat Sealing, glass and EDPM rubber roof patching. Very easy to use, just peel off the released film and then apply this butyl sealant tape to anywhere needed, the aluminium foil cover makes its size stable. Country of Origin: India