Mattress Coconut Fiber Motion Isolating Springs material description 1.Cashmere knitted fabric 2.Skin-friendly cotton 3.Latex imported from Sri Lanka 4.Hot-pressed pad 5.Nine-zone independent bag spring 6.Hot-pressed pad 7.3E coconut fiber 8.Cashmere knitted fabric This Mattress Thickness: 27cm  Front: relatively soft  Back: relatively hard Feature: Applicable for whole family. As the one side is soft and the other side is hard, so that child can sleep on the back of mattress to protect vertebra, and the adult can sleep on the front. Soft and hard, double sides, more options for your good sleep.