Hiwowsport Aluminized Foil Heat Shield Thermal Barrier Adhesive Backed Heat Reflective Tape 2" x 82' Roll Silver Withstands high temperature radiant heat of 248F Strong adhesive backed composite construction material. Aluminized Heat Barrier of highly conformable glass fiber. Widely used for fire walls, bulkheadscovers and so on. Size:2in*82feets,Easy to apply and remove.