100pcs Glow in The Dark Fish Tank Aquarium Pebbles,Glow Stones,Glowing Pebbles Luminous Stones for Outdoor Backyard Garden Gift Decoration, 305g/0.67lbs, 4/5''-1 1/2'' (Yellow Green)

Size: 2-3cm(4/5”-1 1/2”) Package: 305g/0.67lbs/10.75oz in a brown box. Multi-colored Glowing Pebbles for Choice. Please choose the color that you want carefully before purchasing. The original color and glowing color would be different. Light Charged Glowing Pebbles. Glow lasts approximately 3-4 hours in the dark after direct sunlight or UV light exposure for 20 minutes. The glow will be faded out gradually. If you want it to glow all the time in the dark indoor or outdoor, please install a LED UV black light above them. They can charge and glow repeatedly. Eco-Friendly Material. These pebbles are made from the highest quality of photoluminescent pigment and have a very high concentration per pebble. It’s EN71 approved, non-toxic, non-radioactive, and completely harmless to decorate. Variety Use. It can be applied to indoor and outdoor flooring, to make the terrazzo, to decorate pool, bar, vase, patio, lawn, fish tank, and aquarium. It also can be used to decorate the garden flower pots, to mark paths and walkway or as a border for plant beds or ponds. Ideal decor for waterscapes, landscape decoration, potted plants, edge a flower bed, lighting a walkway or driveway, gardens, crafts, vase filler, etc.