SIZE: The sliding adjustable rectangular shower head holder is 11.8 x 4 x 2.3 cm/4.64\"x1.57\"x0.9\". Suitable for 18 mm/0.7\" wide and 30 mm/1.18\" long riser rail. This sliding holder is designed for use on a rectangular shower rail set. And suitable for standard shower head, shower head clips hand shower with standard connector. High Quality: The shower head holder is made of high-quality ABS plastic and chrome alloy, corrosion and rust resistant, to ensure durability and longevity. This shower rail slider will perfectly match other fixtures and accessories to keep that look synchronized in your bathroom. UNIQUE ADVANTAGE: This sliding holder requires no drilling, no damage to the wall surface, waterproof, super adhesive. And the square slider can slide flexibly, suitable for people of different heights, you can adjust the height according to your needs. EASY TO INSTALL: The rectangular shower head is convenient to install, no drilling, no tools required, no disassembly from the wall. The angle of the shower head holder can be adjusted during showering. Simply press the button to adjust the height of the brackets on the rail and release it to secure it in place. BEST REPLACEMENT: The shower head sliding holder is perfect for hotels, bathroom shower rooms or households, easy to install, it is a good replacement accessory. The shower rail slider is very suitable for adults and children. It is a must-have to improve family happiness.