Multi Purpose: The mirror can be used as an office or computer mirror for multipurpose surveillance on desktops, work benches or even in doorways. Adhesive: Easy to install, and could be adhesive to anywhere as you want. Material: Made of PC+Acrylic lens. HD glass mirror make the office mirror perfect to see what is going on around you. Personal Safety: Seeing people walk up behind you when you have headphones on or concentrated on doing things, make sure yourself or rear surrounding for safety and security. Small Size: The small round size is perfect, not so large as to be a distracting center of attention. Specification: Material: PC+Acrylic lens Color: Random Diameter: About 7.5cm/3inch Package includes: 1pc x Computer Rearview Mirror Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.