AS Material | Screw On, Spill-Resistant Flip-Top Lid | Easy Carry Handle | Measurement Scale In Ounces And Milliliters Makes Tracking Liquid Intake Easy | Removable Agitator Ball Easily Mixes Powders Or Flavored Beverages | Wide Opening Makes It Easy To Add Ice Or Mixes | Meets FDA Requirements | BPA Free | Hand Wash Recommended