Mattress Individually Wrapped Coils King Bed material description Luxury type Thickness: 30cm Hardness: relatively soft (front) Moderate hardness (back) 1.3D German breathable fabric 2.Zero-pressure feather fabric 3.High-molecular cotton 4.5cm natural Thai latex 5.Highly elastic foam 6.Shaping nylon fabric 7.Hard PK cotton 8.Nine-zone independent spring bag 9.Hard PK cotton 10.3D German breathable fabric This Mattress Super soft type (about 30cm thick) Feature: Strong bearing capacity, protect spine, soft and comfortable, applicable for newlywed master bedroom room, and people who like soft sleep feeling.