EXPRESS 11oz Black Color Changing personalized Mug Please note that the image will be slightly visible when the mug is cold. - Quality materials and vibrant colors When a hot beverage is added. The color changes and your image appears. Express Printing - Express Mugs are printed before other orders. Please see Amazon "Get it as soon as" to know when the mug will arrive to you. It will be delivered on any day within the window and not always the first given day. Design your custom mug yourself - Click "Customize Now" - 11 oz high quality personalized mug Personalize mug make a perfect gift for any occasion or event.