About product and suppliers:
            289 40 density foam mattress products are offered for sale by suppliers on Alibaba.com, of which mattresses accounts for 69%, mattress cover accounts for 2%, and plastic sheets accounts for 1%. 

A wide variety of 40 density foam mattress options are available to you, 

There are 288 suppliers who sells 40 density foam mattress on Alibaba.com, mainly located in Asia. The top countries of suppliers are Turkey, China, from which the percentage of 40 density foam mattress supply is 1%, 98% respectively.