... Chinese river shell, freshwater shell, freshwater MOP shell etcBacking of shell Mosaic:Mesh,Ceramic,Porcelain, aluminium honey comb,PVC,MDF ... : Shell mosaics& shell tiles are widely used in shell decoration of hotels, villas, bars, office houses, furniture, company halls, recreation ... things should be avoided although the basic scraping resistance of shell exist.Except that,shell building material is a ...