Polyurethane Foam one of the more impressive everyday uses of polyurethane foam is in mattresses, mattress toppers, mats, temporary mats, couch, seat and bench cushions because of its comfort and lifespan. Today's high density polyurethane foam will retain its form and support, extending the life of your mattress, couch or chair for years to come! This makes polyurethane an ideal choice for oddly shaped custom cushion needs, such as cushioning for an RV, boat or refurbished vintage furniture. Polyurethane foam is available in varying firmness and qualities. Foam cushions are the ideal solution for upholstery, camping pads and mattresses. Whether you need the perfect cushion for a boat seat, a custom foam cushion for an RV, new polyurethane foam cushions to restore an old sofa or chair Will Last 3 to 7 Years. Upholstery Foam Return Policy: There is a 50 % Restocking fee on all returned items..