AK TRADING CO. (4" H X 30" W x 72"L) Upholstery Foam Cushion CertiPUR-US Certified. Perfect for Seat Replacement, Upholstery Sheet & Foam Padding

High-density foam has a compression rate of 38 lbs. This means for every 38 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. It has durable, medium density foam suitable for long-term use. Our large foam sheets are ideal for a number of projects, such as seat replacement chair or sofa cushion upholstery fixing or replacing bench pads and furniture boat seats upholstery upholstered headboards car and other automobiles seat repair home and commercial applications DIY projects, arts and crafts medical equipment (wheelchairs and walkers) warnings: foam packages need to be opened immediately upon arrival. Do not let the foam sit unopened for more than 1 week. Don't open it with a box cutter (you'll cut the foam). Use a ballpoint pen or keys. When unpacking foam, allow the foam to sit for 3 to 5 days so the foam can breathe and return to its original size and form.