1. The soft leaves of Aquarium Plastic Plant allow your fish to shuttle and hide in the water plants, which won't hurt your fish or other pets, will provide a comfortable and clean living environment for them. 2. All plants with pedestal: every aquarium plastic plant grass ball in this set has a pedestal at the bottom, heavy and firm, and with the pedestal, those plants will not float around in the aquarium. 3.The Aquarium Plastic Plant are made of soft and healthy material, no harm to water and fish. It is ideal for both fresh and salt water, do not affect the PH in the tank. With different styles and sizes, you can decorate you fish tank according to your creativity. 4.Aquarium fish tank landscaping decoration plastic simulation water plant flower ball grass pile grass ball.