Medium Density Made In The USA Density : 1.4 , 33lb Compression 100% Recovery Rate / Fire Retardant Durability: Will Last 7 to 10 Years. Uses: Ideal for oval and round poker tables, furniture cushions, boat cushions, car cushions, foam mattresses, bedding support, and all other home and commercial upholstery applications. Medium density foam has a compression rate of 36 lbs. This means for every 33lbs. on a general idea, your foam will compress by 25%. Medium 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.