Genuine BlenderBottle brand product. New. Loop. BPA free. blenderbottle.com/ip. Shake it up. Smart Features: Patented BlenderBall mixes as you shake. Convenient patent pending loop makes it easy to carry. BPA-free materials. Wide opening makes it easy to add ingredients. Stay open flip cap stays put - open or closed. Embossed ounce/milliliter markings. Gripper bars offer a solid hold. Both 28-oz and 20-oz sizes fit in your cup holder. Top-grade engineering works right, every time. Large drinking/pouring spout. Did You Know? With the patented BlenderBall inside, the BlenderBottle lets you spice up your nutrition drinks with tasty ingredients, like: ground oatmeal; peanut butter; fruit juice; applesauce; cocoa powder; yogurt; cinnamon. Like us on Facebook for weekly protein/nutrition shake recipes, tips & tricks, and more: Facebook/blenderbottle. Mix it up. Patented BlenderBall: Only available in BlenderBottle brand shaker cups. More products at blenderbottle.com. Power up your routine with the bottle that's ready for action. Whether you mix up your favorite shakes for workouts or workdays, the BlenderBottle's patented, stainless steel BlenderBall delivers perfectly blended drinks without missing a beat. Smooth Ideas: This bottle's ready for some serious mixing. Here's a list of tried-and-true favorites and you'll find even more ways to shake it up at blenderbottle.com: protein powders; energy drinks; nutrition supplements; flavored drink mixes; meal replacements; electrolyte supplements; fiber powders; water. Add flavorful extras: cinnamon, peanut butter, yogurt, applesauce, cocoa powder, or ground oatmeal. Designed in the USA. Made in China.