Our design originally originated from the desire to create an unique super narrow-edged and ultra thin aluminum frame bathroom mirror with filleted corner.So the frame widthof the vanity mirror is only 0.66 inch. The ultra thin frame with beveled silver polish mirror frame edge has enable BELLE mirrors standing out among others. Installation Kit 1 set: 2 PCs expansion tubes +2 PCs 5*4cm screws Manual Instruction ：The package comes with installation instructions and a kit of installation materials. This is a HD bathroom mirror which deliver a clear reflection, it could eliminate the reflection distortion usually found in mirrors. The bathroom mirror is attached with 4 hanging V hooks on the mirror which is designed to hang either horizontally or vertically. It is recommended that the unit is cleaned with a soft, dry, non-abrasive cloth with diluted cleanser and wash up with clean water again.