Reusable Stainless Steel Thermo Can - 11oz. Ocean Blue Thermo Cans are ideal for both Hot or Cold beverage needs with the same efficiency as a full size thermos. Convertible from Cup to Can with simple removal of the screw on rubber gasket sealed lid. Leak Proof Flip Top Sippy Lid. Wide mouth opening for use as a cup when lid is removed and easy cleaning with 2.5" mouth opening. Double wall insulation keeps your dink hot while protecting your hands from being burned on the outside of the cup. Solid 2 Piece Design for easy Cleaning, Dissassembly, BPA Free.