The comfortable "Alaska" mug of the Waterline brand with double walls is made of 304 grade food grade stainless steel. Thanks to its design, the mug does not burn your hands, even if a very hot drink is poured inside, and additionally, Alaska is protected from cooling by a plastic transparent lid-slider, through which the liquid level inside is visible. The surface of the mug is rough and matte, tactile pleasant, looks interesting with engraving. The stylish laconic design of the mug is a distinctive feature of all Waterline products, with a thermos or thermocup of which you can combine "Alaska" to create a harmonious set. - durable food grade 304 SUS steel - ergonomic shape: palms are not burned, even if there is boiling water in the mug - comfortable volume of 360 ml - maintains temperature thanks to double walls and slider lid - tactile pleasant surface of the mug - waterproof cover, due to silicone seal Do not use in a dishwasher or microwave oven.