Pink Plastic Turbo Shaker Tumbler - 28 oz It's all about the fins! - mixes like a blender easy to clean - take it on the go Perfect for your on-the-go lifestyle, this TurboShaker Sublime from Action Ventures Unlimited is designed with a leak-proof screw-top lid and added drinking spout with rubber stopper that allows you to drink or pour directly from the shaker cup. These shakers are powered by patented "fins" which are located at the bottom of the shaker in order to mix contents thoroughly and evenly, including thick batters such as yogurt and peanut butter. The TurboShaker is easy to clean: rinse it out, hand-wash, or put them in the dishwasher.