This three-piece set of stainless steel vacuum mugs is the perfect travel companion for anyone who wants to keep their beverages hot or cold for 6-12 hours. The mugs have a capacity of 500ml and come in a solid black color. They are made with inner 304 and outer 201 stainless steel and have a push-button lid for easy drinking. The mugs are portable and perfect for taking on the go, whether you're traveling or just running errands. The set also makes a great gift for friends and family who are always on the move. Care instructions recommend hand washing only, and the mugs are CE/EU certified. Whether you're looking for a thermos cup for yourself or for someone else, this set from Premyam Plus is a great choice.