1.Black pen shell mother of pearl oyster mosiac wall tile ... Mosaic:Mesh,Ceramic,Porcelain, aluminium honey comb,PVC,MDF board etc.Finish of shell Mosaic:Polished,Honed,Tumbled,flamed ... material such as wood,stone,ceramic,calcium silicate board,gypsum board,acrylic and metal.Lay AB glue,glass cement ... not need much energy for protection. Hexagon Black pen shell mother of pearl oyster mosiac wall tile