EcoFoil Single Bubble Insulation Roll 48" x 125' (500 sq. ft.), 3.175mm Thick, White/Foil, Made-in-USA Single Bubble Reflective Foil Insulation Roll Reflects 96% Radiant Heat, Radiant Barrier is up for auction in Tools & Home Improvement. The current bid is $9.50, 79% below the $45.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.