BigMouth Inc. Sir Skully Mug BEWARE of counterfeits and knockoffs sold by other companies. Only products "Sold by BigMouth Inc are guaranteed genuine.Please contact Amazon & us immediately if you feel the product is a replica. The BigMouth Inc Sir Skully Mug is THE ORIGINAL sir skully mug designed and created by BigMouth Inc with thousands sold since its launch! Perfect toothbrush holder too! Made of high quality ceramic, it holds 24 ounces of your favorite beverage Hand wash recommended