With the advantages of smooth surface, various size, high hardness, wearable and stable, widely used as garden, river, aquarium, swimming pool decoration. Environment Friendly: Non poison, Non smell, Non pollution, Non cauterization, Safe.
Color: clear, white, read, yellow, green, blue, black, amber, gray, purple, etc.
Size: 1-3mm, 3-6mm, 6-9mm, 9-12mm, etc. Or as per your requirement.