Magnus Espresso Mug is made from stainless steel. This mug is designed for no sweat exterior and keeps your favorite drinks hot/cold. The taste and nutritive value of the drinks remain intact for a long time making the mug a very appropriate choice for serving beverages. Mug that is rust-free and its plastic Lid is made of food-grade material and is BPA free. This mug is convenient to use, has a handle and is compatible with most single serve coffee machines.