... ,50x50 4.factory in Qingdao bluestone floor tile1.Product information (1)bluestone tile ,blue limestone floor tile, blue stone floor tile (3)Finish: honed ,tumbled,sandblasted ... ,40x40x2cm,50x50x2cm,60x60x2cm (2) 40x40x3cm,50x50x3cm,60x60x3cm,80x80x3cm,100x100x3cm3.Usage: floor tile,countertop, vanity top,steps,stairs ,mailbox,curb stone, garden statue4 ...