Color: multicolor, Product Specifications Material: resin Quantity: 200 pieces Diameter: 0.8 " -1.2 " Thickness: 0.3 " Package includes: 200 pieces Glow in Dark Pebbles Description: Material: Made of high quality resin, non-toxic and odorless, no radioactive substances, fluorescent glow effect. The fine workmanship offers you a smooth surface without sharp edges. Environmentally friendly and energy saving: no electricity required, economical and energy saving. Absorbs and stores energy from sunlight or other light sources to glow in dark places. Glow in the dark decoration: These decorative garden stones that glow in the dark after being exposed to daylight, ideal as aquarium gravel, shimmering stones in the aquarium, pond, courtyard, as landscape decoration, to illuminate a path or a driveway. Reusable: remove the packaging and place the pebbles under the sun or light, make sure each pebble absorbs light. Can be reused. Ideal for decoration: Ideal for handicraft lovers and as an environmentally friendly, luminous decoration. Can be used for decorative vases, aquariums, aquarium landscaping, garden decoration, swimming pool decoration.