Welcom to Elapind Diamond Shaped Luminous Stone Fish Tank Aquarium Landscaping Luminous Stone Features: Environmental protection material: Fluorite is made of nonradioactive resin, which is to human body and living environment. Unique Stones for Different Decorative Styles: These stones can be used to make a path, aquarium or garden beautiful and romanticss. Glow-in-the-dark effect: of these gemstones lasts about 5 to 8 hours after exposure to sunlight or light. A variety of colors for you to choose: you can give it as a gift to your family, friends and colleagues. Beautiful and durable, can be used for a long time. SMALL AND PORTABLE: You can bring these glow in the dark stones lightness to your campsite for a great night out. Product Description: Description： Material: Acrylic resin Dimensions are as shown. Color: Multicolor Package includes： 100 x Glowing stones Notice : Due to the difference between different monitors or color reflecton in the monitor lighting,background etc, the picture may not reflect the actual color of the item. Please allow 1-5mm error due to manual measurement. 100 Glow-in-the-Dark Diamond Stones: Made from non-toxic resin. Absorb light to glow for 5–8 hours. Perfect for aquariums, gardens, or crafts. Safe & Eco-Friendly: No radioactivity or compatible with sharp edges. Safe for teen s and pets. Versatile Decor Use: Line pathways, decorate vases, or use in fairy gardens. Adds a magical glow after dark. Fun for DIY Projects: Ideal for holiday decor, parties, or night-time landscaping. Light Up Your Creativity: These stones add a enchanting touch to any space.