Designed for Jedi training, the BlenderBottle Star Wars Pro Series 28-Ounce Shaker Bottle is Obi-Wan and Yoda approved. Manufactured from BPA- and phthalate-free Eastman Tritan, a durable and odor-free plastic that guards against lingering flavors, its perfect for Blue Milk, and drinks at Mos Eisley Cantina. Bottle contents and liquids are securely contained by a tightly threaded screw-on lid that creates a leakproof seal, and an ergonomic flip cap that snaps securely shut for shaking and transportation (fits in most cupholders). A SpoutGuard makes it possible to open the flip cap without touching the drinking spout. The patented mixing system uses Jedi Mind Trickswell, actually, a 316 surgical-grade stainless steel BlenderBall wire whisk that moves inside the bottleto smooth out mixes for protein shakes, smoothies, fiber drinks, and meal replacements. A wide mouth makes it easy to add ingredients, and a rounded base ensures thorough mixing and easy cleanup. Embossed markings show both ounces and milliliters for easy measuring (note: measurements on 28-ounce bottle only go to 20 ounces). The BlenderBottle Star Wars Pro Series Shaker Bottle can also be used as a water bottle. Dishwasher safe. Manufacturers limited lifetime warranty.