This Auto Mixing Travel Mug will be your new favorite drinking tool! It is the quick and easy way to prepare diet & sports drinks, medications, baby formula, gourmet coffee drinks, cocktails, shots & tons more! Lightweight and portable, mix and drink in one glass for easy cleanup. The Twister-action keeps the liquids inside the glass without spilling or splashing. Clear acrylic tumbler is safe for hot or cold liquids. Kids and adults alike, love watching the twister power mixer in a glass". The Power Mixer is equipped with a powerful motor and super-sealing lid. Great for office