Hickory Springs Manufacturing Company (HSM) is recalling certain CE White school bus seat assemblies which incorporate Seat Bottom Cushion assemblies manufactured February 2, 2015, to April 1, 2015, described as School Bus Seat Bottom with Virgin Foam Core, in sizes ranging from 26-inches to 45-inches wide. For a complete list of the affected seats, see the products table. The affected seats may not meet the flammability requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 302, “Flammability of Interior Materials.”