The economical Flex-Ease from Drive and Mason Medical is the industry's most popular innerspring mattress offering firm support with two comfortable high-density foam toppers and an anti-microbial, water resistant surface. Economical innerspring mattress with two polyester fiber toppers|The unit has a 1" high-density, firm, combustion-modified fiber topper on each side|The Masongard vinyl waterproof cover is anti-microbial/anti-bacterial|The mattress is fire-retardant and conforms to CFR 16 part 1633