Resin Material ] Colored pebble is made of high quality resin, is non-toxic, odorless, non-radioactive and has a fluorescent lighting effect. [ Save Energy ] No electricity is required, it is economical and energy-saving. Absorbs and stores energy from the sun or other light sources to emit light in dark places. [ Night Decoration ] These pebbles glow in the dark after being radiated by the sun in different colors that look like stars and are very beautiful. [ Reusable ] Place the pebbles in the sun or light to make sure each stone can absorb light. This can be reused. [ Ideal for Decoration ] The light stone is very suitable as an ornament for aquariums, potted plants, gardens, parks, etc. Can create a warm and romantic atmosphere. 200 Pieces Luminous Pebbles for Decorating Garden Aquarium ParkFeatures:1. Good finish: The surface of the luminous stones is smooth and round, with good gloss and high brightness.2. Highly decorative: colored pebbles glow in the dark, colorful and beautiful.3. Personality landscaping: It is especially suitable for aquarium landscaping, potted plant decoration, park and garden design and DIY personality placement.Specification:Material: Synthetic ResinColor: Mixed ColorsProduct Size: 2-2.5 cmWeight: 35 gPackage: 200 pieces luminescent stonesHearty advice:1. The longer the luminescent stones absorb light, the brighter and more brilliant they become.2. Please put it in a dark place or increase the number of glowing stones for better results.3. Beware of ingestion by children.