This offer is for a 5M large sheet (rolled) of Sound Deadening Mat, increasing installation convenience, perfect for custom work and larger areas. Features: Self-adhesive 2mm butyl rubber based, fire retardant aluminium foil top. Boot, floor & door sound deadening, sound absorption for interior trim. Van camper & wheel arch insulation, efficient vibration damper. Soft and easy application, improves audio experience. Non-flammable. Size: Each individual sheet: 5M long x 50cm wide. Thickness: 2mm. Each pack covers approx. 26sq.ft (2.5sq.m). Weight: Each Individual Roll = 9.5kgs. Note: sizes & weight may vary, please allow for manufacturing tolerances. Packing: Each pc in roll packing, then into a Mail Order Box.