strainer system combined with superpowers like glasslike odor stain resistant plastic, rounded base, and unmatching heroic design. Features of Shieldmixer Hero Pro Flash Classic Leak-proof cap designed for easier and more hygienic usage. The rounded bottom ensures better fluid circulation and prevents powder residue from settling making the bottle easier to clean. Trademarked Eastman Tritan plastic is extremely durable and made from glass-like polycarbonate material. It is scratch-resistant, odor free, and non-toxic.