Gresorth Luminous Effect Fake Coral Tree for Fish Tank Aquarium Decoration Underwater Plant Landscape - Purple Ship at the same day, usually delivered within 7 ~ 15 days. Friendly silicone materials, colourfast, non-toxic and harmless, use it at ease. Ideal decoration for the fish tank or aquarium,safe for fish. The silicone sucking disc base keep coral plants firmly in the place. Glowing Effect happens under actinic lighting, brings a incredible sea world landscape.