Specifications: Artificial stones which are made of resin, with amazing luminous effect in the dark. After being exposed to the sunlight or other lights, these stones will glow in the dark for a long time. Perfect for decorating walkway, garden, flower bed, fish tank, etc. Simple way to bring stylish and romantic atmosphere. Type: Luminous Stones Quantity: 10 Pcs Material: Resin Features: Eco-Friendly, Glow in the Dark, Decoration Size: 2.2cm/0.87" (Approx. ) Notes: Before use, the luminous stones need to absorb any kind of light for about 10 mins to achieve luminous effect. Due to differences in lighting and screen settings, the color of the project may be slightly different from the picture. Due to different manual measurements, allow for slight size differences. Package Includes: 10 x Luminous Stones (Others Not Includes)