Put a cork in it: With its matte stainless steel body and distinctive, non-skid cork bottom, this bottle is a marvel of color and texture. Advanced copper-lined, vacuum-sealed interior keeps contents hot up to 8 hours or cold a full 24. Includes push-on lid and fits in most auto cup holders. Hand wash recommended; do not microwave. Holds 16 oz. Graphite. Laser engraved Cummins "C" logo center one side.