Enjoy your hot or cold drink thanks to the Lifeventure mug. You can chuck it in your rucksack and it won’t leak or break. Keeps drinks hot for up to 4 hours or cool for 8 hours. Stainless steel construction with vacuum insulated walls. Expansion chamber with pressure release valve in lid. Sleek, watertight design. volume approx. 300 ml, weight approx. 262 g, dimensions approx. 6.5 x 6.5 x 16 cm.