As Seen On Shark Tank With NFL Hall of Famer, Rob Gronkowski Gronk . Stainless Steel Outer And Inner . Double Wall Construction For Insulation Of Hot Or Cold Liquids. Screw On, Spill-Resistant Flip-Top Lid . Vacuum Insulated . Internal Measurement Markings. Easy Carry Handle . Removable Agitator Breaks Up Powders And Strains Out Ice . Flavor Your Beverage With Your Choice Of Fresh Fruit . Meets FDA Requirements . BPA Free . Hand Wash Recommended. 9" H