Glow in the dark stickers for modifying the appearance of your computer case, monitors, keyboards, and speakers. You can also use the stickers to decorate your rooms and appliances. Retail package. Features: glows super bright. In the dark. In color. Responsive to black light, too. Excellent for the side panels of the case. Also applicable inside a windowed case. Specs: circular, 8 in diameter. Yin-yang sign. Adhesive included. Glocolor technology. Apply to wall or ceiling with hanger or adhesive square on back. One sheet per retail package. Four different color patterns used interchangeably.