Safe and Eco-Friendly: Made from the high quality resin, eco-friendly, free from any radioactivity and non-toxic. Finishing and polishing so that there are no sharp edges. Glow in the Dark: About 200 pieces of non-toxic glowing resin pebbles per bag. These pebbles absorb enough sunlight or other artificial light during the day to shine for 3 to 6 hours at night. Ideal decoration: The pebble light from the dark is the best night decoration. The glowing bewitching pebbles in the dark and they come together will be brighter, a special decoration enough to attract the attention of passers-by. Easy to Use: Irradiate them for 2-3 hours in the sun or bright light. And then, they will then automatically glow in the dark. If you irradiate them in the stronger light for longer, they will shine brighter and longer. Widely Used: Indoor and outdoor pebble decoration, perfect for decorating the garden, walkways, flower beds, decorative vases, aquariums, aquarium landscaping, water sceneries, garden