【HIGH-QUALITY MATERIALS】：The inner parts of the automatic cup washer are made of high-quality refined copper, and the outer casing is made of high-quality stainless steel instead of chrome-plated plastic. Compared with ABS plastic, our brass parts and stainless steel casings ensure durability and stability, prevent corrosion and aging, and prevent product rupture due to excessive pressure during rinsing. 【EASY TO USE】：When you put the bottle on it, put the mouth of the cup down, gently press the bottom of the cup, it will automatically spray water to clean it. After the cup is cleaned, remove the cup and stop spraying. No more messy cleaning steps. Cleaning by multi-angle spray,so that stains and bacteria have nowhere to hide,quick cleaning. 【EASY TO INSTALL】:The installation only takes a few minutes,you can do it yourself.The recommended opening diameter is about 2.2cm,which can be installed on the desktop or in the sink.The multi-angle water outlet cleaning head realizes multi-angle