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The reason why the hotel mattress is so comfortable: 1. In addition to the thin mattress, the mattress in the hotel has several layers of thick bed bags, which will become a comfortable layer similar to the mattress, deepening the sense of coverage and softness. 2. The mattress usually lying in t...Read more »
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First designed in the mid-1960s for NASA airplane seats, memory foam is made from a substance called viscoelastic. After it was used in mattress , it becomes more and more popular and widely known by public. ...Read more »