Double Reflective Insulation Roll, Foam Core Radiant Barrier, 3.2 mm 48 in x 50 ft, Double-Sided Aluminum Foil EPE Foam Heat Reflective Shield, Thermal Insulation Roll for Window RV RoofProduct Features 3 in 1 Design VEVOR 50 ft x 48 in double reflective insulation roll features a versatile 3 in 1 design: Radiant Barrier + Insulation + Vapour Control, ensuring exceptional thermal performance. Excellent radiant barrier keeps you cool in summer and warm in winter, maintaining a comfortable indoor temperature year round. Premium Materials Crafted from double reflective aluminum foil and high density EPE foam core, our 3. 2 mm thick heat