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: DIA 12-14mm, 17-19mm, 30-33mm, 35-38mm, 43-45mm,etc. Or as per your requirement.