The Yonder Shaker Bottle is built to mix smooth shakes and keep pace with your toughest workouts. Featuring patented Helimix Technology, its unique wall design mixes powders smoothly without a wisk or screen. The 100% leakproof construction, covered chug spout, and quick access cap make it ideal for gym bags, commutes, and busy rouines. The Shaker Bottle is BPS free. The vessel is made with 75% recycled plastic. It's dishwasher safe, and clearly marked for easy measuring with other Yonder water bottles.