1. Fabric: 22#+3 cm cotton + cotton material: very good moisture conductivity and moisture absorption, very good temperature control performance, anti-static, anti-bacteria and anti-allergic function.

2. Filling layer: three layers of PK cotton (500g + 800g) +2 cm latex +2 cm environmental protection brown: green environmental protection, cool and breathable, quiet and silent, durable elasticity, physical and mental relaxation, good health.

3. Spring: High carbon steel silent spring: pressure resistance never deformation, super support, overall comfort.

4. Bottom side: 20#+1 cm cotton: make the whole mattress achieve the effect of respiratory circulation.

5. Perimeter: 20#+1 cm cotton size edge; Stripes clear, beautiful and generous, strong permeability.