Photoluminescent flat stones can be used in a variety of exciting applications. Scattered randomly they combine both decorative and practical qualities, providing a striking effect on footpaths, steps, gardens and rockeries whilst also encompassing a safety element at night. Their list of applications is only limited by your imagination as they are endlessly versatile in many different media. Glow flat stones in other size, shape, and color can be custom-made. Colors: Green, Blue, orange, sky-blue.Glow in the dark flat is 250gm(25pieces).