How to choose a good mattress fabric when looking at the mattress? Keep the following four points in mind: 1) Soft. Try to choose pure cotton and natural materials. Sleeping directly or laying a bed sheet is very comfortable. 2) Breathable. You can simply do a test and put a cup of hot water to see the penetration. If it is completely airtight, run decisively! 3) Gram weight. The heavier the...