This insulated coffee travel mug is an ideal companion for taking coffee, tea, and other beverages on the go. It fits in most cup holders. Designed with a hygienic screw cap, this coffee mug is leak proof. Liquid can be poured only by pressing on the button. Thanks to its durable 18/8 stainless steel construction, this double walled thermos flask is robust, odorless, and recyclable. All materials used to make this stainless steel bottle are BPA free and do not contain pollutants like phthalates or estrogenic substances. This Sigg metal flask for coffee is 0.27 L, vacuum insulated and leak proof. For maintenance, wash by hand. It features a Swiss design.