This polyethylene backed white tape has a thickness of 7.5mils or 9mils and is single sided. Poly tapes are a superior adhesive to the common duct tape because they can be hand torn and the poly backing is considerably thicker than the backing of duct tapes. This tape also offers noticeably better water and weather resistance than traditional duct tapes. Poly tapes are perfect products for use in many applications such as splicing, color coding, marking and sealing. This poly tape is commonly used in the Marine, Service, and Construction industries among others. Poly tapes are frequently used in shrink film and zipper door applications.