Features of Blender Bottle Prostak Twist & Lock Cup Organizer Jar: includes a Twist & Lock Cup Organizer Jar, which is designed to save space by conveniently storing grains or other ingredients separately. BlenderBall Wire Whisk: The bottle is equipped with a BlenderBall wire whisk, which ensures the smooth blending of your ingredients. The wire whisk can be placed in the dishwasher for easy cleaning. Adjustable StayOpen Lid: allowing for easy drinking and pouring. This lid provides a secure seal while remaining convenient to use. Secure Flip-Top Lid: The flip-top lid of the bottle is designed to securely seal the contents, preventing any leaks or spills. Interlocking Jars with Individual Lids: This allows for separate storage of different ingredients, maintaining their freshness and preventing mixing until you're ready to blend them together. Made of High-Quality Materials: The Prostak Mixer Bottle is made of high-quality and sturdy plastic that is both BPA and phthalate-free. This ensures the bottle's durability and safety for use. Portable and Convenient: allowing you to take it with you wherever you go. Whether you're headed to the gym, office, or on a trip, you can enjoy your protein shake or flavored drink on the move.