Description: Material:Made of high quality resin, Work fine and polished to have no sharp edges. How to make them glow: Please expose the pebbles under the visible rays like sun or light to absorb light for around 10 minutes then they will glow for hours. Don't pile up pebbles , make sure each pebble is fully illuminated. Glow not just at night: During the daytime, the pebbles not just some colorful rocks, they also can glow after absorbing the light, make sure the surroundings are dark enough to see them glowing, more suitable for night decoration. Widely Use: Line a walkway, edge a flower bed, decorate planter with these pebbles as night light, like shiny stars falling down into your home. Suitable for water features, landscape decoration, driveways, gardens, handicrafts, DIY gift, aquariums. Long life use: The longer absorption time , the longer illumination time. The pebbles are reusable and work over 15 years. Specification: Size: Approx. 2-3cm/ 1.18 inch Weight: 200g Package Includes: 100 pieces pebbles stones in a pack.