Package Include: You will receive 6 plastic shake ball of random colors, each weighing about 20 grams, allowing your nutrition to dissolve more thoroughly and faster in the bottle Multiple Uses: Protein shaker ball is a great choice for mixing protein powder, milkshakes, smoothies, juices and other beverages. It is suitable for most water bottles or glasses, that you carry the perfect health companion Easy to Clean: With this protein shaker ball, your drinks can be fully and effectively mixed without lumps. It can be easily washed with water or put in the dishwasher, which is convenient and simple Material: Protein shake ball is made of food-grade materials, durable and reusable. You can rest assured that it's safe, non-toxic and not easy to rust, just put it in your bottle and shake it gently to make it even Size: The diameter of the protein shaker ball is 1.77inches/4.5cm. It's lightweight and portable, can be placed in a drawer or carried in your bag Color: blue,green, black, grey, pink, purple Products include: 6pcs Size: 45 x 45 x 45 mm