The Uniclife 20 inch Changeable Sea Anemone Plant Ornament Folding Glowing Silicone Fish Tank Aquarium Artificial Decor is a great way to add some life to your aquarium. This plant ornament is made of soft silicone that is safe for your fish, and it changes shape depending on how you fold it. It also has a fluorescent effect that makes it look like it’s glowing in the dark. The dimensions are 19.69 x 3.94 inches and it comes with one green sea anemone ornament.