Bestseller. 12 oz vacuum insulated tumbler made of double-wall stainless steel and copper insulation designed to keep drinks hot or cold for hours. Navy tumbler, white hand-lettered and illustrated design. Screw-on acrylic lid included. Once lid removed, insert canned beverage of your choice and use as an insulated koozie. Professionally printed for the highest quality. Top-rack dishwasher safe but hand wash for longevity. Fill your cup and cheers to lake life! Hand-lettered design professionally printed in the United States. Summer tumbler. Summer koozy. Summer drinks. Boat Life. Lake Life. Boating. Insulated koozy.