... . 3)Resistance to virus penetration, an allergic. KM-02 Bionics mattressDescription:1)Bionics mattress.2)High density polyurethane foam cover.3)Resistance ... waterproof, ventilation, depress, fireproofing, antibiosis, high rebound, environmental protection, the mattress can breathe freely, it fit for healthy.*It is our ... ) 6.0cm(thickness)8.0cm(thickness) 12.0cm(thickness) KM-02 Bionics mattress