Double Reflective Insulation Roll, Perforated Woven Fabric Radiant Barrier, 0.15mm 76.2m x 1.22m, Double-Sided Aluminum Foil Heat Reflective Shield, Thermal Insulation Roll for Window RV RoofProduct Features Excellent Heat Insulation Crafted from double sided aluminum foil and wear resistant PE woven fabric, our 76. 2m x 1. 22 m, 0. 15mm thick double reflective insulation roll efficiently reflects sunlight and blocks heat transfer in summer, while preventing heat loss in winter Perforated & Breathable The perforated structure allows air and moisture to pass through, preventing condensation buildup. This helps maintain consistent