... -2mm 3.size:20 x 20mm 4.Backing: mesh mop shell mosaic on mesh 1.Material:natural freshwater mop shell2.shape:square3.color ... size:300*300mm,600*600mm,can be customized7.backing material: mesh, ceramic, PVC, magnesium, acrylic, plywood, etc.8.feature:fireproof, environmental ...