7PCS Protein Shaker Balls, Food Grade Blending Mixing Whisk Ball Bottle Mixer Ball, Replacement for Shaker Cup You Will Get 7 x Milkshake Protein Shaker Balls Specification Diameter: 1.77inches/4.5cm Weight: 19g Food Grade Material Made of food grade PP material, healthy, durable and never rusted. Sufficient Quantity There are enough shaker balls to allow you to use them alternately, without worrying about these little things disappearing inadvertently. A nice gift to share with friends, family, and friendly neighbors. Smooth to the Last Drop Protein shaker balls can reach every last bit of powder, and your milkshake and drinks can be mixed smoothly and effectively to avoid lumps. Fits Most Bottles Protein Shaker Ball fits most bottles with lids, can help you quickly dissolve coffee, protein powder, instant breakfast, milkshakes, juices and so on. You can easily enjoy smooth and delicious drinks. Warming Notes 1. Please clean the mixing ball the first time you use it. 2. To prevent confusion, it is best to wash each ball separately. 3. After use, the shaker balls should be cleaned in time, then wipe and put it in a cool place for dry, and store it in a clean bag or box.