Package Contents: 100 PCS mix color glow in the dark pebbles, about 18×25×11mm each.
Put them under sunlight or lamplight to absorb light for an hour them they will glow for hours.
Wide range of uses: Glow in the dark pebbles can be used for pavements, paths or driveways, edging flower beds, or fill potted plants with these glow in the dark pebbles. Can be used for vases, fish tanks, aquarium decorations, gardening, swimming pools, ponds, bar decorations, homes, parks, bird fountains, waterside capes, landscaping, flower pots, potted plant pots, patios, lawns, patio aquariums, craft decorations.