Beautifully drawn in green, the Siren graces this stainless steel tumbler in an artistic and expressive portrait. The coffee tumbler's vacuum-sealed, double wall technology helps retain heat and keep hands cool and comfortable. Flip-top lid with ergonomic lip and silicone seal. Soft rubber pad on base. Holds 16 fl oz. Hand wash only, do not microwave. Part of the 2015 Dot Collection, the mug comes ready to gift in a bright red box, and additionally sealed in plastic for protection.