Nashua® 307 Silver 7 mil Utility Grade Duct Tape measuring 48 mm x 55 m features natural rubber adhesive natural rubber adhesive for good instant adhesion. Utility grade duct tape with polyethylene-coated cloth backing for longer durability and finds applications in maintenance, repair, bundling, patching, mending, joint sealing, pipe wrapping and heavy-duty box-sealing. Duct tape bonds well to most surfaces and withstands twisting as well as curling. It is conformable and hand-tearable.