Introducing our new 550ml/18 oz glass shaker, the perfect companion for all your protein shake and smoothie needs. This shaker features a wide mouth opening, making it easy to mix and pour your favourite beverages. This shaker is also top-rack dishwasher safe, making it easy to clean and maintain. Plus, it comes with a surgical-grade stainless steel Blender ball whisk that mixes when the bottle is shaken, for smooth shakes in seconds. Whether you are an athlete, bodybuilder, or just looking to improve your overall health and fitness, this glass shaker is a perfect choice. It is stylish, functional, and built to last, making it a great investment for anyone looking to mix and enjoy protein shakes and smoothies on the go. Try it today and experience the convenience and convenience of having a high-quality glass shaker at your fingertips! Product Features Surgical-grade stainless steel Blender ball whisk that mixes when the bottle is shaken, for smooth shakes in seconds. Secure the twist-on cap with a non-toxic silicone seal. Leak-proof Detachable loop for easy carrying. Stain and odour-resistant glass. Top-rack dishwasher safe. Why the Whisk Ball? Unlike stationary mesh grates or other in-lid elements, the BlenderBall whips around inside the bottle as you shake The BlenderBall is springy and bounces off both the top and the bottom of the bottle, working against the liquids Made from electropolished 316-grade stainless steel, the same material used in surgical instruments and implants Add ingredients like peanut butter, applesauce Please note not for use with hot liquids. Breakage can occur from dropping or direct impact to glass.