Foam Cushion 4"T x 30"W x 80"L (1536) "Medium Firm" Seat Cushion Replacement Foam Cushion, Upholstery Foam Slab, Foam Padding Medium Firm-Foam Cushion 4" Thick x 30" Wide x 80" Long, 1.5 density 36 ILD, Excellent Energy Absorption and Cushioning Free Shipping to Continental U.S. Lower (48) States, For orders to Alaska and Hawaii, customers should send a message or contact us through amazon contact seller Isellfoam with their order so shipping costs can be computed fairly. 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. Uses: Ideal for furniture cushions, boats cushions, car cushions, foam mattress, bedding support Foam used to replace cushions in existing furniture such as sofa's, love seats, couches, chairs, recliners, dining room chairs, window seats, etc