Olympia Enamel Mug - 350ml (Box 6)A steel core provides these mugs with excellent strength, while the blue and white enamel helps create a nostalgic atmosphere. Designed to acquire more character with age, every chip and imperfection brings a new level of uniqueness to each of these mugs. Chemical and heat resistance is achieved with a fused glass coating, meaning that you are no longer limited to the use of mugs just for drinking purposes; why not try using them when baking puddings