Included Components Contigo West Loop Autoseal Thermal Mug, Stainless Steel Insulated Mug, Coffee Mug to Go, Leak-Proof, Dishwasher Safe Lid, BPA-Free, 470 ml. DURABLE: High-quality travel mug, BPA-free plastic lid and vacuum insulated stainless steel body; the sweat proof design makes sure your liquids stay in the thermal mug, not on the outside.