COME REFUEL WITH US Your post workout should always include a shake made in our classic mixer bottle. Refuelling with protein after working out may help rebuild and repair your muscles. Or if you prefer, you can start your day or workout with a smoothie blended in one of our shaker cups for protein shakes. A great beginning dedicated to your health. The ball wire whisk found in this Delcasa Shaker Bottle is the secret behind the bottle power. Made of 304 stainless steel, the ball is designed to remain in the bottle while in use, it'll never rust, chip, or peel. Add your ingredients, drop in the ball, and shake. The ball whips around inside the bottle, mixing drinks to a smooth consistency, every time. Ideal for protein shakes, smoothies, fiber drinks, and meal replacements. The innovative, leak proof lid of the shaker is engineered to be keep liquids contained. Just push down on the flip cap until it makes a distinctive snap, then shake or stash the bottle with complete confidence that it is securely closed.