This Magic Bullet Party Cup Mugs Set of 4 replaces your Magic Bullet party mugs and you will not regret it the next time family and friends come over for a shake. The biggest buzzkill to a great smoothie evening with your friends is when a friend’s glass has a leak or just too old from continuous uses to present. The Magic Bullet Party Cup Mugs are made so you can make and serve your drink in ONE mug. They can be used to make your favorite smoothie or even your favorite alcoholic drink. Fits the Original Magic Bullet MB-1001 ONLY!