Check the listing for details. Low-E® Reflective Foam Core Insulation 60" wide. Condition: New other (see details). Listed at 102.39 USD. Reflects up to 97% of Radiant Heat, Excellent Vapor Barrier for Multiple Applications Easy To Work With, Project and DIY Friendly, Flexible and Durable, Cuts Easily With Razor Knife Insect, Bird and Rodent Resistant, Non Toxic and No Itching Indoor Air Quality Rated Reflective Insulation and Weatherization Product Combining 7/32" Closed Cell Foam (not bubble packaging material) and Pure Aluminum Foil (not metalized plastic) The Low-E SSR line of products provides performance and appearance for your Insulation upgrades of choice. Low-E meets the Indoor Air Quality standards set forth by California 01350, is mold and mildew resistant as well as a vapor barrier. This Low-E is 60" wide, 1 linear foot is 5 square feet. Low-E is FMVSS 302 certified (federal motor vehicle safety standard).If you have questions about this product you can call Hein at 541-49O-5O98