Mattress Medium-Firm Feel Luxury material description VIP type: 23cm thick 1.Belgium natural silk fabric 2.High-density foam 3.Hot-pressed pad 4.High manganese steel spring 5.Hot-pressed pad 6.Belgium natural silk fabric This Mattress Relatively soft type (about 23cm thick) Feature: Foam mattress and spring mattress are both commonly used in modern life. This mattress is equiped with foam and spring.