The BLUDROP vacuum flask ensures temperature retention of up to twelve hours for hot drinks and up to 24 hours for cold drinks. To provide a good grip in the hand, the stainless steel bottle is optionally available with a silicone sleeve or a powder coating. This coatings are available in the stylish colours of aqua solid, easy green, coral and black to motivate individual choices. In addition, there are two sizes of the dishwasher-safe bottle to choose from. The easy-to-open lid allows drinking from any angle.