1. The artificial floating fish decoration is made of plastic, which is safe, environmentally friendly, healthy and non-toxic, and can be matched freely. 2. The product is used for the first time, put it in the fish tank for 2-3 days, replace the water, and then put it back into the water for 3-7 days to put the fish in. 3. Use: Decorative fish tank. 4. Size: 5x3cm. 5. Single weight: 8g.