insulated mug with a lid 450 ml 5928Steel insulated mug with a capacity of 450 ml from the M Tac brand. Features double layer walls, sealed interlayer, and vacuum . The shape of the product will suit office workers and drivers, as its design makes it perfect for most car cup holders. Also, this mug can come in handy during field trips, hiking, hunting, and fishing. This model has a sealed lid with an equipped drinker and an insert integrated into the bottom so that it does not slide