1. Aquarium artificial grass, made of eco-free non-toxic material PVC, ceramic base, won't contaminate water, color won't fade. 2.Soft leaves allow your fish to shuttle and hide in the water. Soft plants won't scratch fishes, plants will swing with the water which looks real. 3. Aquarium artificial grass can be planted both in freshwater and seawater. Provide a comfortable and clean living. 4.Note: Aquarium artificial grass may get squeezed and deformed during packaging, put into 104 - 140 Fahrenheit degree warm water get restored