General description These luminous stone pebbles are made of high-quality resin, ensuring they are safe, non-radioactive, and environmentally friendly. The package includes 200 white pebbles, perfect for various decorative purposes. Technical specifications Diameter: 0.8 inch - 1.2 inch (2 - 3 cm) Material: Resin Usage Can be used for decorating walkways, gardens, bonsai, aquariums, and more. After absorbing sunlight or light, the pebbles will glow for 2-3 hours. They glow brighter about 10 minutes after absorbing light, then the brightness decreases quickly. Other information Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.