1. Dreamy Design: With mermaid as the theme, the design features different hair colors, fish tail colors, and habitat scenes, such as sitting on shells, seashells, whales, and reefs, creating a dreamy underwater fairy tale atmosphere for the fish tank. 2. Bottom design: As a bottom decoration, it can be firmly placed at the bottom of the fish tank, matched with aquatic plants, sand and stones, etc., enriching the landscape level of the fish tank bottom and creating a unique underwater world. 3. Safe Material: Made of PVC material, it has a tough texture, is not easily deformed, and is non-toxic and harmless. It will not affect the water quality and biological health in the aquarium and can be used for a long time.