This product has a compression rating of 44 Lbs. Compression means the number of pounds necessary to compress the piece of foam by 1 inch in a 7x7 inch area. For example, if you put 44 Lbs in a 7x7 inch area, the foam will compress 1 inch. This foam features the perfect amount of cushioning and stiffness. its soft but still holds its firmness and support for an individual to sit on without it compressing all the way down. This foam is rated to last 7-10 years.
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Medium density foam has a compression rate of 33lbs. It features the perfect amount of cushioning and stiffness. Its soft but still holds its firmness an individual to sit on it without compressing the foam to much Medium firm quality foam is designed for heavy traffic and high use applications. Size: 1 x 24 x 72 /density: 1.5/ 100% recovery rate/fire retardant/33 lb. compression = firmness compression not density is what determines firmness.
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