Gray Hydro Flask tumbler with a sliding lid, 16 oz capacity. A collaboration with a watch brand, featuring a sea king printed on the back. - Brand: Hydro Flask - Color: Black - Capacity: 16 oz (473 ml) - Lid Type: Sliding - Material: Stainless Steel A very popular tumbler overseas, such as in Hawaii. Hydro Flask Cute and fits comfortably in your hand. A convenient item that can also be used in car cup holders thanks to the leak-proof lid that prevents spills from vibrations. No condensation occurs at all, so coasters are unnecessary! It's also great for use on your office desk or as a cup in your room! Easy to clean! Hot and cold drinks are OK! It's the perfect size.