This item is Laser etched on a 3 3/4 inch diameter or a 4 inch square piece of Leatherette Material. This material repels liquids. These come in sets of 4 with a holder. Each set is engraved separately so you can custom order what you want on yours. Please use special instructions block to tell me what you would like. If you have any questions call me at 435 840-0548 (Utah)