Usage Tips:2 ROLLS VALUE PACK-This package includes 2 rolls of 12mm (W) x 6mm (T) x 5M(L)foam weather stripping, total 10M long, which means the two rolls of self-adhesive foam strips are packed together. STRONG GRID ADHESIVE-We use only premium adhesives on every doors and window seal, which guarantees everything stick firmly. In addition, no more worries of degumming or glue residue due to the unique grid adhesive backing design. EXCELLENT RESISTANCE TO DEFORMATION FEATURE-This closed cell weatherstrip is made from high density CR foam, Neoprene, which has great sealing and resistance to deformation feature. In addition, the material is environmental friendly, toxic free. The can be used from -50 to 150 WIDE APPLICATIONself adhesive insulation foam strips is a tough, durable self-stick tape with minimal compression and can help prevent rattles, vibrations and squeaks. It's widely used as a weatherstrip, or as a gasket or to cushion and stabilize major appliances, such as doors, windows, furniture, electrical cabinets, speakers, toys, handicrafts, sports equipment, vents, air conditioners, plumbing, hvac. Plus, on cars, trucks and boats.