The Dino glow in the dark 66x72 Fully Lined Eyelet Curtains features a design with dinosaur illustrations, which are designed to glow in the dark. The glow-in-the-dark feature usually requires exposure to light before it can emit a glowing effect in the dark. When the lights are turned off, the dinosaur designs or specific areas of the curtains set will emit a faint or glowing light due to the stored energy from exposure to light.The Dino Curtains are extremely popular, especially among children or dinosaur enthusiasts, as they can create a fun and visually appealing nighttime atmosphere in bedrooms.