IPG 10 Mil XHD, Extra Heavy Duty DUCTape 1.88" x 10 yd, Silver Intertape utility duct tape, for a wide variety of applications including packaging, wrapping, sealing, bundling, binding and general maintenance Polyester(PET) cloth / Polyethylene (PE) film with an aggressive natural rubber adhesive For permanent and critical repairs, ideal for irregular surfaces Water and tear resistant design, all weather resistant; use under a wide range of temperature conditions Tested in accordance with UL -723 Made in USA