... closely, cutting and tidy 2.Surface cleaning, no folds 3.Adhesive strength 4.Inner packing,Hot plastic film Specifications:1 ... Adhesion Strength 2. High quality weaving cloth,non-woven fabric,fiberglass cloth 3. Pure aluminum foil / aluminum film / coating aluminum foilFunction ... .Light and soft,clean,flame retardant,easy to install.3.With hot reflex,heat insulation,sound insulation,anti-radiation, ...