This large, sturdy mug is ceramic, holding 15 ounces of your favorite beverage or candle. Mug description: · 15 fl oz. · Ceramic mug w/ ~4” diameter (not including handle). · Design printed on one side with permanent adhesive outdoor vinyl that is sealed. · Microwave safe. · Hand wash only; please allow to air dry. All products are hand-made, therefore there may be slight variations in each item.