[Beautiful Colors] Soft simulation artificial plants kelp,We offer 5 colors, blue, dark red, green, orange and pink,used for a variety of fish tank landscaping. Dimensions: small Height 18 cm / 7.08 inch,medium 25cm/9.84inch,large 43cm/16.9inch. [Fluorescence Aquarium Kelp for Fish Tank Decoration]The artificial kelp plant itself does not emit light in a pure dark environment. If you need this silicone simulated coral artificial kelp to have a fluorescent effect, we recommend that you use a fluorescent light (It needs to be illuminated by blue or purple or red light). Fluorescence is only the color and luster. [Tall Aquarium Plants Material]The glowing fish tank decorations kelps are made of silicone, which have good flexibility and luminous effect, non-toxic and harmless,it is suitable for freshwater and other environments, bringing a good living environment for your fishes in the fish tank. [How to Swing]It is recommended to use a surf pump with a surf pump, so that the kelp leaves