This mattress uses cylindrical springs made of high-carbon steel wire to be packed into non-woven bags, which are more moisture-proof, bacteria-proof, deodorant, and stronger in tension. Turn over without disturbing your partner's sleep. Houndstooth fabric on the side adds highlights to this mattress. Advantages of this mattress: good elasticity, durability and special compression treatment. It will be restored to its original state after unpacking. It will never locally collapse, without knots and sharp bends. It greatly improves the durability of the bed net. In the mattress.