Question by vinny: Where can I buy a good bed cushion?
A layer of cushion that is placed on top of the mattress for additional comfort.
Answer by Doug
The cushion that you’re talking about is just that something to make the bed softer. It cannot go the other way. This is actually called a topper when you shop the item. They come in many different varieties.
Blog about Mattress Toppers http://www.stlbeds.com/articles/2008/08/12/what-is-a-mattress-topper/
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