Withstands 1800°F direct / 2500°F intermittent heat, High performance heat retention with a carbon fiber look, Natural color will not fade. Lava high temperature heat wrap is designed and engineered to withstand the highest of temperatures. Lava wrap is manufactured from actual pulverized lava rock which is stranded into a fiber then woven into a highly durable and extremely heat resistant wrap. Lava wrap is stronger and more reliable than fiberglass wraps and provides better thermal performance and durability. It will maintain flexibility even after being exposed to direct extreme temperatures. Available in 1 inch wide or 2 inch wide rolls! 2 inch wide wrap is great for covering large areas quickly and at a lower cost than having a custom blanket made.