DescriptionMade ofhigh quality resin, these glow in the dark pebbles. There is no power or battery required for these environmentally friendly solar luminous rocks glow stones. All they need is just sunlight to absorb enough ultraviolet light before they can shine in the dark. Can be used to decorate potted plants, fish tanks, swimming pools and gardening, etc. With our glowinthe dark pebbles, you can release your imagination, youcanmakeagorgeousfairy fish tank or garden.Features- Color: Dark blue + Turquoise. - Material : Resin. - Size: About 2.5x 1.2 x 0.2cm. - Made of resin, can be used for a long term. - Beautiful color can give you a novel sense of impression. - A set of 200pcs luminescent stone, suffficient quantity will meet your demands. - for fish tanks rocks pebbles gravel, glow decor, ponds, yard, waterscapes, landscape decoration, potted plants, lighting a pathway or driveway, fairy garden glowing stones, crafts, etc. - Also can be a great gift choice for your friends, family and more.