The 532 mL / 18 oz Call of the Wild XL Mug is a double wall vacuum insulated mug made with pro-grade stainless steel. It features a threaded spill-resistant lid with matching reusable straw and anti-slip silicone base. This mug is cup-holder friendly and perfect for your favorite hot or cold drinks. It comes in your choice of 4 colors, with a durable powder coated finish, comfortable carry handle and sweat-free design. Color matched silicone straw, metal cleaning brush, and extra silicone plug included.