Reflective Window Insulation: Our rv window insulation is well-made, which is weight of 200 g / 10.76 sqft. It is of good material and long-lasting Aluminum foil roll: Foil insulation roll is the ideal solution for you to beat the heat, reflective insulation roll can stay cool in summer heat and keep your house warm in winter, making you feel comfortable, available in multiple sizes to meet your all need Good Material: Reflective insulation roll is made of reflective double aluminum foil and bubble type material, its reflective surface helps to block out the sunshine effectively keep the heat out from the windows, insulation summer,not easily scratched, which can be used for a long time Good Performance: Window insulation kit for summer heat not only blocks the sun but it avoid heat loss window insulation summer,and keeps the room cool. This reflective insulation also acts as a barrier insulation summer heat and protects your privacy with its opaque foil surface Wide Application: Our insulation roll can be used for a variety of spaces, you can use aluminum insulation roll in windows insulation, garage insulation, rv window insulation,house insulation,roof insulation, window heat blocker, garage door and etc Easy Installation: This foil insulation roll is easy to install and remove. Cut easily the size you want with utility knife or scissors, and use the 60 pcs self adhesive pads we provide to install double reflective insulation roll properly with ease