PLEASE NOTE THIS ITEM CANNOT SHIP VIA 3 DAY DELIVERY. Class A pads are constructed of 716' OSB Board, with 2' highly flame resistant polymerized open cell foam and covered with 16 oz FR rated vinyl. Pads have a 1' lip top and bottom for attachment to the wall. Corner round molding or aluminum channel not included may be used to cover bolt heads after installation hardware is not included. FR Wall padding panels comply with the standards set forth by ASTM E84. This class 'A' rated product meets NFPA 255, UL 723, ANSI 2.5 and UBC 8 1 42 1.