Hang tight, our team of researchers is out looking for the answer to this question now. We're currently researching MemoryFoamMattress.com's website and FAQ pages as well as other online sources. We'll also try contacting MemoryFoamMattress.com directly to try to find an answer to this question. Check back in a bit to see if we've found the answer.
In the meantime, please refer to Sleep.com's website for additional information.
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