How to choose a good Upholstered Bed?

Here teaches you a 3:1 method, which means that if you choose a 3 cm thick mattress, then it is more appropriate to press it by hand and sink 1 cm, if you choose a 10 cm thick mattress, press it by hand should sink 3 cm.

When buying, it is best to try it lying down in the store, when lying flat, reach out with your hands between the neck, waist, buttocks and thighs to see if there are any gaps, a good mattress should fit perfectly in these places. When lying on your side, the mattress should also fit perfectly with the curve of your body, and if the palm of your hand can be easily inserted in the gap, the mattress is too hard for you.