engrave LOGO stone coaster 1.Material: natrual beige marble 2.Size: 10*10*1cm 3.Finshied: polihse engrave LOGO stone coaster Material: Stone/granite /marble/onyx/corkSize: 10x10x1cm, 15x15x1cm, 10x20x1cm Style: Round, square, oblong... Color: Black, white, and more Logo is available Function: Placed under a bottle, pitcher, or drinking glass to protect a table top or other surface beneath.