Unique Mixing: Features a patented capsule shape that uses centrifugal force for smooth blending without a mixing ball or mesh grid, preventing ingredients from getting stuck. Effortless Cleaning: The corner-free design ensures no powder gets trapped, making cleanup quick and easy while preventing stale odors. Secure Design: Equipped with a leak-proof slide cap and an adjustable finger loop for secure carrying and use. Durable Construction: Made from BPA-free Tritan plastic, this rugged tumbler is freezer safe but not dishwasher safe. Optimal Capacity: Offers a 24 oz (700 ml) capacity, ideal for supplements and blending soft fruits.