This 20OZ portable protein and powder shaker bottle is made of stainless steel , AS & PP, which is strong, environmentally friendly and durable. It comes with a tight-closing lid that is leak-proof and completely sealed. Powerful mixing can create a powerful vortex to evenly mix the contents inside in a few seconds, improving the nutrient absorption rate of active ingredients. Used in weight loss powders, energy drinks, cocktails and juices, baby formula, etc. There are battery and rechargeable models to choose from. There are various capacities to choose from. Can customize your logo.