Features: 1. Made of high-quality luminous powder sand materials, safe, durable and weather resistant. Non-flammable, non-volatile. Undissolved in water. 2. After being irradiated by visible light such as sunlight, lights, etc., it can glow in the dark. Can be used repeatedly. 3. Pigment sand with glow in the dark effect, suitable for Various Works of Art, such as DIY Crystal Resin, UV Resin Coloring and much more. 4. Each pack measures about 0.35oz/10g, can bring gorgeous glow to your art projects, no more mess or waste 5. Note: For a better glowing effect, please place the sand or craft with these sand under the strong light. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: sand, luminous powder Battery: no Color/Style: As the picture shown Weight: 10g Package List: 1 bag of Luminous Sand