* Our high-quality double-sided aluminum foil bubble roll is made from reflective double foil and bubble material, making it ideal for keeping cool during the summer. Double Reflective Insulation Sheet: You will receive 48 inch x 10 FT reflective foil insulation and it comes with 132 pairs of self-adhesive pads for better installation and fixation to prevent falling off Premium Materials: The reflective window film is made of double-sided aluminum foil and vacuum-sealed polyethylene bubble to improve reflectivity, heat insulation, and sun protection Temperature Protection: The window heat blocker has good sealing performance and can withstand strong sunlight without affecting the indoor environment. It is window insulation for summer heat and window insulation for winter Wide Application: Reflective window thermal insulation is suitable for various scenarios and can reduce the heat transfer effect of windows, attics, garage doors, walls, floors, windows, RVs, etc Warm Reminder: Due to transportation restrictions, the insulation film will be shipped folded, and there may be some creases, but this will not affect your use