New Stainless Steel Floor & Tunnel Shield solves the problem of blocking engine and exhaust heat while also absorbing unwanted engine noise. Stainless Steel Floor & Tunnel Shield is a high temperature solution for controlling Heat and sound. With a micro-perforated Stainless Steel top layer backed by 100% E-glass insulation and sound absorbing layer with a peel and stick backing, Stainless Floor & Tunnel gives you dual performance in one material. Durable Stainless Steel outer layer 100% E-glass insulation Micro-perforated to allow sounds waves to be absorbed Peel and stick adhesive backing layer Cuts easily with heavy scissors 22 in. x 19 in. sheet size DO NOT apply directly to exhaust components.