The 360 ml / 12 oz mean muggin luxe metallic is a double wall vacuum insulated mug made with pro-grade 18/8 stainless steel. It features a shiny electroplated finish with a clear, push-on spill resistant lid and black rubberized base. The lid provides even more spill protection with its silicone sealed slider closure. Its wide mouth design makes it ice cube friendly and easy to clean.