Revitalize your worn-out sofas and chairs with AK TRADING CO's carefully crafted upholstery foam. The high-density makeup offers a firm supportive base with just the right amount of softness and cushioning. It’s not just for sofas and chairs; this foam will add support, height and comfort to any surface – from patio benches, to boat seats, head boards, accent pillows and more. AK Trading Co. foam has a compression rate of 36 lbs. This means for every 36 lbs. on a general idea, your foam will compress by 25%. High density foam is designed for that sink in effect for those who love to fall into a nice soft cushion. 100% Recovery rate fire retardant durability : durable, medium density foam suitable for long-term use. Our large foam sheets are ideal for a number of projects, such as: Seat ReplacementChair or Sofa Cushion UpholsteryFixing or Replacing Bench Pads and FurnitureBoat Seats UpholsteryUpholstered HeadboardsCar & Other Automobiles Seat RepairHome and Commercial ApplicationsDIY Projects, Arts & CraftsMedical Equipments (wheel chairs and walkers) Warnings: Foam packages need to be opened immediately upon arrival. Do not let foam sit unopened for more than 1 week. Don’t open with a box cutter (you’ll cut the foam). Use a ball point pen or keys. When unpacking foam, allow the foam to sit for 3 to 5 days so foam can breathe and return to its original size and form.