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. Product Name:Artificial small diamond shaped luminous stone 100PCS Package Contents:100x stone Item color:Multi-color Material of the product:Acrylic resin Product Dimensions:One Size