The Black Magic Insta-Cling Window Tint Extra Dark can reduce harmful UV rays while also combating interior fading and glare to help keep a vehicle in top condition. It comes in a convenient size that can be used on an RV truck or in a home allowing for flexibility in placement. It can also be easily trimmed to size to fit a smaller surface area. The 5 percent Insta-cling window film holds instantly to glass by static cling and is removable and reusable so that no glue is necessary. It can be reapplied if needed to eliminate bubbles. The film comes in a convenient roll for simple storage until it s ready to be installed. It will make a helpful enhancement option for a vehicle boat or home.