This 30 oz bottle comes with a mixing ball that makes it easy to create and enjoy protein or powdered shakes and cold beverages. This bottle is designed with a twist lid that ensures that the contents stay fresh and that they do not spill. The bottle is made of plastic and is BPA-free. The bottle is also easy to use and comes accented in an aqua color that makes it stylish and unique. The mixer is perfect for boys, girls, teens, and adults who love sports and want to stay healthy. Never Used. SKU #5