Bern is a recycled stainless steel tumbler with reusable stainless steel straw and a rotating lid cap for easy drinking. It is made of 70% GRS-certified recycled stainless steel. Commuting, studio workouts, or day trips, you'll want this tumbler by your side! The ergonomic handle includes comfort-grip inserts for easy carrying, and the narrow base fits just about any car cup holder. Keeps drinks hot for 5 hours and cold for 15 hours. Contents: 900ml. Packed in a kraft box.