1. Dimension Package included: 5PCS Whisk Balls 2. Premium Material These shaker balls are crafted from food-grade 304 stainless steel. They are healthy, odorless, and will never rust, making them an excellent replacement for shaker bottle balls. They are compatible with most cup or bottle sizes, allowing you to blend protein powders conveniently. 3. Convenient The blender ball ensures that nutrients dissolve more completely and quickly, so you don't need a blender; just drop a ball into your shaker cup. 4. No More Clumps If you dislike those protein or matcha lumps, then this steel blender ball is the perfect choice for you, ensuring a smooth, silky, and lump-free drink. 5. Application The mixer ball can be used for mixing juices, protein powder, milkshakes, whisky, juices, and other beverages. It’s great for the gym, home, cafe, or bar, and can be easily rinsed with water to keep it clean after use.