Viskey Colorful Simulation of jellyfish Luminous/Fluorescent Silicone Aquatic Animals Aquatic organisms Ornament It can be putting in the tank or dry landscape decoration, make it more vivid! Non-toxic harmless. Won't rub off in the water, will not change color. Can be at ease use! Product Size:about 3.937"*8.267". Aquatic special environmental protection material, no any pollution and damage to aquatic life. Modelling is vivid, colorful, dynamic;Can create an ideal underwater world for you