... corrosion ,easy cleaning. artificial stones for decoration·GUINNESS quartz stone is widely used for Kitchen countertops, floors, walls, ... 15mm, 18mm, 20mm, 25mm, 30mm·Standard size for big slabs: 3250 x 1650mm, 3005X1550mmSpecifications:crey crystal ... be cut by knife and is applicable for decoration of large public engineering space.·No radiation ... products. GNS 3008 artificial stones for decoration