BPA Free Brand Product Genuine There's Only One BlenderBottle Everything else is just a shaker cup. The BlenderBottle Classic revolutionized the industry back in 2004 with its leak-proof seal, iconic design, and the BlenderBall wire whisk. Now, years later, its still the best-selling shaker on the market. Why? Because it works. New Patent-pending carrying loop New Ergonomic flip cap and spout BlenderBall whisk inside 100% leak-proof seal Embossed ounce and milliliter markings StayOpen flip cap won't close on your nose GripperBars make it easy to hold Easy to clean—dishwasher safe Fits in most car drink holders BPA and Phthalate free