Safe and Environmentally Friendly: Made of high quality materials, environmentally friendly, non-radioactive and non-toxic. Finished and polished so there are no sharp edges. Glow in the dark: Approximately 200 non-toxic luminescent resin pebbles per bag. These pebbles absorb enough sunlight or other artificial light during the day and glow for up to 3-6 hours at night. Ideal Decoration: Dark cobblestone lights are the best nighttime decoration. The cobblestones give off a mesmerizing glow in the dark, and they glow even more when grouped together, quite a special decoration to catch the attention of passers-by. Wide range of uses: interior cobblestone decoration and exteriors, ideal for decorating gardens, passageways, flower beds, decorative vases, aquariums, aquarium arrangements, water features, swimming pool arrangements, etc. Packing list: 200 * pebbles We only sell pebbles, not other items in the pictures. Due to the difference between different monitors, the pictures may not