The glass washer is made of high-quality 304 stainless steel, and the silicone gasket is non-slip and durable. 9 high-pressure water outlets can be rotated 360° for cleaning, allowing cleaning from multiple angles. Easy to use: Press the bottom of the cup with the cup opening facing down to clean it automatically. The slightly sloped design directs water to the sink without dirty water collecting or puddles forming. Widely used: Suitable for cups with a caliber of less than 11 cm, it can easily wash everything from wine glasses to baby bottles. Can be used for easy cleaning in kitchens, bars, restaurants, and cafes or hotels. 【Easy to Install】 The diameter of the installation hole is about 22 mm and the length of the copper nozzle is 4.5 cm. Installation is simple and includes a hose, a 3-way valve, and installation instructions.