This is the STTOKE Ocean series. A stainless steel tumbler with a gradient design featuring a whale illustration. The inside of the tumbler is ceramic, allowing you to savor the delicate taste of your beverage. The whale part glows in the dark due to the use of phosphorescent paint. This is a new, unused item that has been stored in its original box. For those who are looking for one. - Brand: STTOKE - Color: Gradient (blue-green to brown/black) - Design: Whale illustration - Material: Stainless steel - Capacity: 350ml / 12oz