Heat Reactive Mugs,YiaMia&reg; Tetris Heat Hot Changing Color Cups Heat Reactive Mugs Super Saiyan Ceramic Cups for hot milk coffee Based on the super-addictive worldwide favorite Graphic of the familiar Tetris game screen appears when hot liquid is added Under Nomal Temperature,The Mug is Black. When Pour Hot Beverage Above 40 Degrees, The Patterns Show Out. Mug comes in black color with Tetris artwork There might be slightly difference in color because of the computer monitor settings.Please understand.