【Multiple Colors】– 100 pieces of synthetic pebbles. Ideal for indoor and outdoor decoration, such as aquarium, flowerpot, garden or yard. 【Premium Quality】– Made of premium resin material: eco-friendly, non-toxic, non-reactive and safe. 【Size】– About 2-3cm, Weight: each 2.1-2.12g. High polished with no sharp corners. 【Long Lasting】– No electricity needed and long lasting with less exposure to sunlight. 【Reusable】– Remove the packaging and place the pebbles in the sun for a few hours, make sure each absorb light, it will glow in the dark