The Contigo Byron Thermal Mug Gunmetal 470ml is the perfect pick to keep your beverages ice cold or smoking hot during outdoor trips. Its vacuum insulated stainless steel body helps maintain the required temperature of your drinks. This mug features a unique Autoseal technology that automatically seals between sips to prevent accidental leaks and spills. Designed with a leak-lock BPA-free lid, this mug prevents the autoseal button from being pressed accidentally.-Gunmetal-Size (8x8x18.6)