Find the 4 Pack: Fairfield™ Foamology® 1" Soft Support Cushion Foam, 24" x 72" at Michaels. This polyurethane upholstery foam is intended for home-style projects where high-density material and soft support are important. This cushion foam contains bio-based materials (derived from renewable biological resources) so you can take comfort that this product has been created with the environment in mind.