Jaggerpet 2Pcs Plastic Plant Decoration for Aquarium Green Artificial grass is perfect for your fish tank. It can colorize the fish tank and afford things for pet fish to play. These aquarium ornament decor are enhance visual appeal and to provide shelter for your fish The material is plastic,but it has no effect on the fish and the quality of water.The color is molding of injection,so it won't rub off. Lifelike and natural plant decoration help build a beautiful and natural underwater world for your fish tank. Coconut tree size: L 13cm x W 2cm x H 14cm / L 5.1" x W 0.8" x H 5.5"; The other size: The height is about 11cm / 4.3";