This cold-sensitive color-changing mug is an innovative and fun product, perfect for promotional gifts or personalized presents. The mug features a sturdy aluminum rolled edge design. When a cold beverage is poured into the mug, its color changes, adding an element of surprise and enjoyment. You can customize the mug with your logo, making it an ideal choice for increasing brand visibility. This color-changing mug is both practical and creative, suitable for various events and occasions.