... Our main material is diatomite.Diatomite has the characteristics of thin,loose,light,foveola,anti-attrition,adiabatic and sound ... absorption.The floor made in diatomite has the characteristics of nought formaldehyde,waterproof,anti-attrition,adiabatic,impact-resistant,stop ... pollution thing and keep air clean. It is non-wood multiple diatomaceous environmental protection furniture material.