With Memory Foam Mattresses growing in popularity and be carried by Wal-Mart, Amazon, Costco & other distributors it's good to take a close look at who is distributing the memory foam to them. Watch this video of memory foam mattresses being made in China on a manufacturing line. The biggest complaints from people buying memory foam manufactured overseas and distributed to the US or Europe is a chemical smell that lasts for 1 week. Distributors usually don't sell their memory foam direct but sell to the 3rd party mattress suppliers & furniture stores. Please see some of the Memory Foam Mattress Distributors we recommend on this page.