4"x24"x72"-Upholstery Foam Cushion Sheet Padding Seat Replacement Density: 1.4 Medium (Regular) Firm Density Size : 4" Thick X 24" Wide X 72" Long 100% Recovery Rate / Fire Retardant Foam can be cut to the size that you need with a sharp carving knife or electric knife. When unpacking, allow at least 2 days for the foam to breathe in order to recover its original size and form.