The Ailindany 2PCS Crystal Glass Aquatic Plant Cup Pot Holder with Suction Cups for Fish Tank is a great way to add a touch of nature to your fish tank. The holder comes with four suction cups that are easy to move and hang tightly onto the fish tank. The bottom of the pot has a permeable hole which allows sunlight and light to reach the plants inside. The clear design of the cup pot makes it a great decoration for any aquarium.