Foamrush 4″ x 30″ x 30″ Upholstery Foam Cushion High Density Chair Cushion Square Foam for Dinning Chairs Wheelchair Seat Cushion Replacement

High Density foam has a compression rate of 44lbs. 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 dont want a cushion thats 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 inch thick piece of foam that requires 33 lbs. to pack it down 1 inch and have it return to its full 4 inch 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 Foam Inserts; Couch Cushions; Bed TopperALL 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 Foam Inserts; Couch Cushions; Bed Topper