1. Fabric: 20#1 cm +1000 g cotton cloth: very good moisture conductivity, moisture absorption and high strength resilience, very good temperature control performance, anti-static, anti-bacteria and anti-allergic function.

2. Filling layer: three layers PK (500g + 800g) + 2cm environmental protection brown: cool and breathable, quiet and silent, elastic lasting unchanged, so that the body and mind can be relaxed, green environmental protection, good health.

3. Spring: 22*30 row high-performance spring: pressure resistance never deformation, super support, overall comfort.

4. Bottom: 20# 1.2cm cotton: good air permeability, good respiratory circulation effect.

5. Perimeter: 16#+ 0.6cm cotton: clear stripes, beautiful and generous, strong permeability.