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.
YoleShy Double Reflective Insulation 48 in X 10 FT RV Window Insulation for Summ
YoleShy Window Insulation. Using YoleShy window insulation kit can effectively save energy, and its reflective surface can block sunlight and effectively dissipate heat. YoleShy reflective insulation rolls are widely used and can be used for window insulation, roof insulation, garage door insulation, RV insulation and other spaces.