[Glowing Pebbles]Made of high-quality and safe resin, non-toxic, odorless, non-radioactive, smooth and bright texture, comfortable to touch [Widely used] Pebbles can be used to decorate garden walkways, fish tanks, potted plants, vases, water features, aquariums, swimming pools, etc. It is an ideal choice for creating dreamy environments [Luminescence] luminous cobblestones No power is needed, please fully expose the pebbles to the sun during the day to absorb enough light to make them glow better at night [Reusable] Pebble's luminous energy can come from the sun. When the stone is not luminous, it will glow in the dark when it is placed in the sun for more than two hours. It can be reused [Size] The size of the luminous pebbles ranges from 1.8 to 3 cm/0.5 to 1.17 inches, and the weight ranges from 2.1 to 2.12 grams