Width 1.2 inches (30 mm), Length 16.4 ft (5 m), Thickness 0.06 inch (1.60 mm) with strong adhesive backing A heat-resistant insulation cloth that can be applied to areas that you want to protect from radiant heat in the engine room. Please refrain from applying this product directly to heat sources. It is usually folded packaging. 2 or more can be rolled up. Can also be used as a sealing material for wood stove doors. However, there may be some peeling of aluminum foil or deterioration of the adhesive layer. When the seal begins to decrease it is time to replace. Please read the included instruction manual (English language not guaranteed).