Package Content: 16 pieces in total, with 2 styles, including 4 flat styles and 12 Round styles, the round are larger and the oval are smaller. Each piece is properly sized to fit the fish tank well, and the 2 different styles make them more practical. Sturdy suction cups: Aquarium aquarium plant holders come with powerful suction cups, you can fix them where you want them to be, making them easy to move and hang firmly on the tank. Please clean the glass before use to make sure the suction cups are firm. Permeable hole design: there are permeable holes and at the bottom of each aquatic plant cup, which is good for water circulation and oxygen absorption, which can help aquatic plants have good photosynthesis and also good for healthy fish growth. Material: water plant basin made of transparent acrylic material, safe and reliable, smooth ; transparent design, more convenient for viewing, and fish tank into one; compared to glass products are more solid, can decorate your fish tank for a long time. Application: Hanging fish tank are suitable for aquatic plants in freshwater or saltwater fish tanks; they also provide an Perfect place for fish or reptiles to help them feed, while also adding visual effects for human viewing. Colour:Transparent Material:Acrylic Package Contents: 12 * round bottom Aquatic Plant Cups 4 * flat bottom Aquatic Plant Cups Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.