BigMouth Inc. Giant Big Mouth Bass Mug, Fish Coffee Cup, Holds 20oz of Liquid, Ceramic Cup 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 Big Mouth Bass Mug is THE ORIGINAL big mouth bass mug designed and created by BigMouth Inc with thousands sold since its launch! Reel in the caffeine with this mug - get it?? Made of high quality ceramic, it holds 20 ounces of your favorite beverage Hand wash recommended, do not microwave