Instruction: To use, simply fill the tube with water, cut the stems at an angle, and insert the plants. Apply a small amount of water onto the suction cup, then firmly press it onto a clean and smooth surface such as glass, walls, and more.Advantage: The suction buckle ensures a secure attachment that won't easily come off and leaves no traces on the wall. Additionally, the transparent container allows for easy observation of the water level and condition inside.Application: This versatile item can be securely attached to glass surfaces using a suction cup. It serves as a water tube where you can place floral ornaments. Acting as a vase or water container for flowers, it is great for florists creating boxed roses, floral arrangements, centerpieces, backdrops, and more.Opening Diameter: 25mm / 0.98 inch; Inner Diameter: 15mm / 0.59 inch: Total Length: 110mm / 4.33 inch: Suction Diameter: 40mm / 1.57 inch: Package Contents: 3 x Wall-mounted TubesNOTE: Fill the tube with as much water as possible to help prolong the lifespan of the flowers. You also have the option to attach a line or lanyard to the hydroponic tube, allowing you to decorate any space as needed.