Small size safety convex mirror is composed of a round convex mirror, the diameter of which is 16cm and 22cm, and an installation handle in the back. Installed in the exit of lane, convex mirror can provide a wide visual range, eliminate dead angle of observation, and guarantee user’s safety. The mirror face is featured with low roughness, clear image, and good distance sense. Moreover, it is not easy to break or produce scratch, and it enjoys a long life span. Besides, the product is safe and steady, and it is easy to install.