The Bamboo Shell Thermos Mug pairs a natural bamboo outer shell with stainless steel vacuum insulation that keeps drinks hot for 6 to 12 hours and cold all day. Available in 7 colors and 2 capacities — 450 ml and a larger option — this eco travel mug fits every lifestyle and makes a distinctive gift. The ergonomic handle ensures a comfortable grip whether you are in the car, on the trail, or at your desk. BPA-free with no synthetic coatings, every mug carries its own natural bamboo grain variation. A premium eco-conscious drinkware piece for those who value both style and sustainability. Ships worldwide. Free shipping included.