Currency size: 7 cm in diameter (average size) Weight of the unique product: 75g The artificial sea urchin is made of TPR material, which is safe and ecological, healthy and non-toxic, solid and durable, difficult to break, smooth, soft and elastic, and safe and convenient to match. When you use it for the first time, put it in the aquarium for three days, then change the water, then put it back into the water for 3-7 days. The aquarium landscaping decoration simulates sea urchins with more beautiful lights. The light will change through the silicone tentacles, which simulate the environment of corals and other aquatic plants on the seabed. (Security: This product does not contain a fluorescent agent and will not emit light.) This product is suitable for: decorating the aquarium and enrich the aquarium environment. Small fish nest, beautiful decoration of the aquarium. The lower weight is fixed and will not be carried away by the water. The package includes: Artificial silicone
