Aquarium Fish Tank Green Lifelike Underwater Plastic Plant Aquatic Water Grass Decor Provides a beautiful decoration for your aquarium,also is an excellent hiding place for fish which adds extra fun to play. Designed with a weighted base,so they can stand firmly in the tank. They are absolutely safe for fish,they won't be hurt, rot or cause any algae problems. Without any requirement of lighting and carbon dioxide. Material:Plastic.Color:Green.Height:32CM / 12.5''.