Double Reflective Insulation Roll, Non-Perforated Woven Fabric Radiant Barrier, 0.15mm 38.1m x 1.22m, Double-Sided Aluminum Foil Heat Reflective Shield, Thermal Insulation Roll for Window RoofProduct Features Excellent Heat Insulation Crafted from double sided aluminum foil and wear resistant woven fabric, our 38. 1m x 1. 22m, 0. 15mm thick double reflective insulation roll efficiently reflects sunlight and blocks heat transfer in summer, while preventing heat loss in winter 95% High Reflectivity Featuring high density aluminum foil coating with outstanding heat reflectivity, this double aluminum foil woven fabric radiant barrier reflects