Check the listing for details. High Density Foam 36" x 72" Dacron/Batting BookWrap Couch Replacement Seat USA. Color: White, Condition: New. Listed at 71.99 USD. Please contact us directly if you would like to place an order for more than the available quantity. Added batting to foam to create a cushion with a more plush,feel and experience. Wrapped on top, bottom and and side. Full Dacron Wrap provided upon request, with additional charge. with 3/4 of Dacron.Density : 1.8 , 44lb compressionMade in USAUses : ideal for oval and round poker tables, furniture cushions, boat cushions, car cushions, foam mattresses and bedding supportUpholstery foam cushion high density standard (seat replacement , upholstery sheet , foam padding)100% recovery rate and lasts from 3-7yrs. Care instructions-when unpacking, allow at least 2 days for the foam to breathe in order to recover its original size and formContact us for your Custom Cut NeedsHigh density foam has a compression rate of 44 lbs. It features the perfect amount of cushioning and stiffness. Its soft but still holds its firmness and support for an individual to sit on it without compressing the foam too much. Compression = firmness compression (not density) is what determines firmness. If you don't want a cushion that's hard as a rock or a mattress that sinks when you sit on it, you have to check the compression or ILD number. Compression means the number of pounds necessary to compress a piece of foam 25% and still bounce back to the original thickness. For example, a 4" thick piece of foam that requires 33 lbs. To pack it down 1" and have it return to its full 4" thickness has a 33 lb. Compression rating or (ILD) -indention load deflection. All foam sheets are sold per sheet - not per yard. Do not open with a box cutter. Use a ball point pen or a pencil. Start by making a little incision and break it from there - durability : will last 7 to 10 years.