Honory99 Artificial Purple Simulation Fake Plants Grass Aquarium Landscaping Decorations Material: plastic+AA grade quartz ceramic base. It is as background for Small fish tank and as medium shot for Large fish tank. Size: Heigth:28cm, maximum width: 22CM Designed with a weighted base, so they can stand firmly in the tank. They are made from durable plastic, and suitable both in salt and fresh water.