1.Maintain comfort: The versatile insulation sheet effectively insulates roofs or windows, blocking heat in summer and cold air in winter while maintaining an optimal temperature regardless of outdoor conditions. 2.Quality Material: The window insulation is made of premium materials for exceptional performance and durability, with a scratch-resistant feature to maintain its pristine condition. Its reflective aluminum film layer effectively blocks heat conduction for the insulation effect. 3.Enhanced Installation: The user-friendly design allows effortless cutting of the double-sided insulation roll to your desired size by using scissors, and it comes with double-sided tape included in the package. Simply attach the tape to the desired location for easy installation. 4.: This reflective insulation is suitable for various environments such as windows, RVs, garages, attics, sheds, greenhouses, and cars. The reflective bubble sheet acts as a barrier against outside temperatures, enhancing energy-saving capabilities. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store