Purchased this mattress from MF. Within five months of nightly sleep (single person) the mattress developed a huge indent crater the length of my body form! Sides broken down. Tracked sleep quality diminished over time of ownership of this mattress compared to my traditional mattress. Turned mattress and now have a high hill, with a downward slop into to the cratered area. Must be replaced! Do not purchase - unless for small children perhaps.
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