Shake up your favorite mix, with our great BPA free fitness shaker bottle. The anti-slip design makes it comfortable to hold.The mixer ball is made from quality 304 stainless steel which is rust proof, durable and easy to clean. Leak proof seals and flip-top lid design, allow for confident transport, easy shaking and mixing. Embossed ounce and ml volume measurements, convenient and clear. Perfect for protein shakes, smoothies, pancake batter and more.