Two Options to Use: Two hanging designs, 3 different sizes of hooks can be hung stably on the glass edge of various aquariums or they can be attached to the aquarium glass by mounting suction cups. Holes Design: The holes in the aquatic plant holder allow plenty of water through the which can form a good internal circulation of aquarium water. The holes at the bottom allow the to grow outward, helping the plant to grow healthily. High Quality: This aquarium planter is made of plastic, and odorless. You can plant more aquatic plants, and fish can live more happily and comfortably. Perfect Choice: This aquatic plant holder is suitable for aquariums and fish tanks. It can provide a comfortable environment for fish growth, and also a great aquarium decoration. Easy & Convenient: The fish tank plant holder is convenient to use, you can fix them at the position that you want. Hooks and suction cups are two installation methods to meet your needs.