griver glass plant vase window planter,suctions to windows,computer monitors,aquariums,mirrors and other smooth surfaces (2, glass pot with nutrient soil) griver cup port: width 2.1 "high: 2.45" / 2.6 "<br> great decoration for shrimp or planted tanks <br> can be used for growing special plant or used for aquascaping <br> <br> warm reminder:... < br> - install on smooth surface only.to extrude air quickly, you could put one drop of water inside the suction cup and extrude with water <br> -.. fixed glue is required on unflatness surface <br> <br> in order to strengthen the suction force of the suction cup, we distribute two transparent double-sided adhesive stickers for each glass, <br>especially suitable for glass, mirror and ceramic tile installation on smooth surfaces. <br> please keep the suction cup and the contact surface clean and sticky before use. <br> then press for more than 5 seconds before using.