Sound Damping MaterialBoom Mat Barrier MaterialBoom Mat Barrier Material; 55 x 60 in. [21.25 sq ft];SPECIFICATIONS: Overall Length: N/A WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: This product contains a chemical known to the State of California to cause cancer and/or birth defects or other reproductive harm. www.P65Warnings.ca.gov Width: N/A FEATURES:Boom Mat Barrier Material Sound Barrier is a dual layer three function material. 1.Sound blocking with is .75lb/ft2 mass loaded barrier 2.Sound absorbing .5'_ layer non-woven 3.Heat blocking non-woven Bonded together these materials make for a single all-around high-performance material, perfect for installation under carpet, inside doors and other areas. We recommend using our DEI transfer tape (50205)to hold the material in place and make for a clean installation Weight, FSTM191.5041,120 oz/yd2 Thickness, FSTM191.5030 .55'+- .14' Vertical Flammabilty, FAR 25.853. After Flame 0.0/.06 Seconds. Burn Length .6/.5 Inches Tensil, FSTM191.5102 20.4/21.6 Lbs +- 2.4lbs Elongation, FSTM191.5102 61/63 % +- 30 Tear, FSTM191.5134 ,4.1/4.8 Lbs +-1.3lbsDesign Engineering, Inc.(TM) is one of the foremost suppliers of thermal tuning product featuring products for racers, street performance enthusiasts, and hobbyists alike. In addition to supplying the performance aftermarket with thermal tuning products, Design Engineering serves the needs of the powersports, marine, industrial and commercial industry markets the world over. - IT IS BUYERS RESPONSIBILITY FOR ITEM FITMENT BUYERS VEHICLE PLEASE DO YOUR OWN RESEARCH FOR ITEM FITMENT OR PLEASE ASK US BEFORE BUYING THIS ITEM IF YOU ARE NOT SURE THAT THIS WILL FIT YOUR VEHICLE.