Mixing cup bottle translucent food-grade material , free BPA, snap caps cleverly designed clamp that is not leaking. Large diameter easy to drink bottle and cleaning , can also be cleaned in the dishwasher . Stir cup capacity 16oz / 400ml, 20oz / 600ml, bottle with a scale for easy reading , bottle side slip groove design . Built-in high-quality steel stirred ball , can help all kinds of powder quickly dissolves .