High Resilience Weatherstrip: The air conditioner window seal is of high elasticity and durability. It can be cut into any size and compressed for an airtight seal. The large air holes make it soft enough to buffer cushions for any furniture or equipment.2 Rolls Value Pack: insulation foam window sealing kit includes 2 Rolls of 1" W X 1" T X 6.5' L foam strip, Total 13 Ft Length. Two rolls of foam tape are packed in one package.Weatherproof Foam Tape: It is mainly applied in windows and door sealing, especially for uneven gaps, irregular surfaces, and very narrow gaps. It also helps to block drafts and noise which can be applied to seal ac, HVAC, fridge, auto, rv, marine, etc..Multi-Functional Weatherstrip: The foam strip is made from no-harm materials with great adhesion and great flame retardant, heat insulation, and oil resistance. It can stick firmly and non-degumming which can withstand temperatures from -40°C to 93°C.Easy To Use: Please measure the right size seal strips for the gap. Clean the surface, cut the tape with scissors, and remove the backing paper. Finally, press firmly on the foam to expel the air for better adhesion