The 360 ml / 12 oz Mean Muggin Ronan is a double wall vacuum insulated mug made with pro-grade stainless steel. This classic and durable mug features a textured Ronan woodgrain water transfer print. The tactile finish coordinates uniquely with our Ronan collection of products. 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.