Retulp Ocean Collection: Flask Retulp introduces a new collection of thermos bottles: the Ocean Edition. These specially designed sustainable travel mugs are made of high-quality, food-safe and double-walled stainless steel. The thermos bottles have a very wear-resistant and stylish dark blue powder coating. Flask The Classic Legendary Retulp 500 ml Flask keeps it’s contents cool for 24 hours and keeps them warm for 8 hours. The pouring opening is equipped with a push-button to open or close. Because of it’s special construction the Flask is practically unbreakable and dentproof! Because of this the insulation capacity of the Flask will hardly decrease over time, even when used intensively. The Flask comes with a lid that can also be used as a cup. This thermos flask is 100% leak-proof, warm beverages will remain warm for at least 8 hours cool drinks will remain cool for at least 24 hours. Collaboration Club Kakatua The Ocean Edition series supports the “STOP THE TRASH!” project o