Rubbermaid Shaker Bottle, 20-Ounce (Assorted Colors) (2-Pack) Unique five-sided paddle ball shakes inside the bottle, for breaking up protein powders, drink mixes, powdered supplements, water and liquids Made with Tritan, for a crystal clear bottle that Resists stains and odors Twist lock lid stays put during shaking, mixing and storing drinks and beverages Dishwasher safe and BPA free Convenient finger loop for easy carrying