Features: Glow in The Dark Rocks: Package includes 300pcs artificial glow pebbles, each decorative stones is about 9*13mm. Whether you want to illuminate fish tank or outdoor garden, these glow rocks will emit blue at night and add fantastic color and mystery to your space. Safe & Eco-Friendly: Glow in the dark pebbles are made of polystyrene and luminous pigment materials. Fine workmanship and polish, without sharp edges. They can be used safely in any scene and will not cause health effects to humans, animals or plants. Premium Quality: Made of PS and luminous pigment materials, a polished finish for a smooth surface, shining look, add fun to your life. These Glow Rocks have great look for decoration, are reusable, have water and aging resistance, no fading, and no peeling. Widely Used: Small glowing rocks are great for indoor and outdoor decoration. It can be used for fish tank, vase, micro fairy garden, potted plants, aquarium, backyard walkway, pathway or driveway and so on. The glow at night makes your home look more attractive. Customer Service: If you confront any problems about our products, please feel free to contact us, we are ready to help. We will solve your problems as soon as possible. Specification Material: Luminous pigment, PS Product Size: 9*13mm Color: Mix color, white, light blue, green, pink, yellow Quantity: 300pcs Notes: 1. Due to the different monitor and light effect, the actual color maybe a slight different from the picture color. 2. Please allow 1-3mm differs due to manual measurement. Include: 300×Glowing Pebbles Stones