Brand: Bob Drake Reproductions Manufacturer's Part Number: B-5010-F Part Type: Heat Barrier and Sound Deadening Mats Product Line: Bob Drake Foil Insulating Sheeting Automotive Fittings Part Number: BDR-B-5010-F Mat Use: Sound deadener Length (in.): 36.000 in. Width (in.): 50.000 in. Installation: Adhesive Heat Protection Color: Silver Quantity: Sold individually. Description: Bob Drake offers the industry's leading damping mats. These constraint-layer foil insulating sheets are designed for street rod builders and car audio competitors; it's the most aggressive and best-performing sound deadener that Drake produces. Due to their double-thick foil and a higher level of butyl-rubber adhesive, the mats can yield as much sound damping results as three layers of some competitor's products.