MessengerMirror allows you to view vehicles approaching from behind and increases your safety on a bicycle when cars are present. Cooked up by a cyclist who was looking for an eyeglass mirror and found the available products (T-a-L, 3rdi) were too expensive, had their design flaws, and all were too bulky to have in his face. Compact, Light, Durable, Affordable Fits both wide and narrow frames (see sketch below) 1/2" diameter glass mirror, approx length is 6.5" overall Made in USA Just $6.99 plus 92 cents postage (two stamps). USA addresses only. Available exclusively online. The button is PayPal... thank you! Click for user feedback & bike blog reviews. Praise or problems... please write at email(at)messengermirror.com. The MessengerMirror is very compact so adjust your expectations of field-of-view accordingly. New riders, plus those familiar with other cycling mirrors, will quickly develop a method to best utilize it. It is designed to be fit on the left side of glasses but could be easily modified for right side use. Disclaimer (I hate to have to state the obvious but I gotta protect myself): There is the possibility of injury should you fall on or bump this product towards your face so please use it at your own risk. Buying it implies your release of liability with the manufacturer. MessengerMirror 2013 ~ Hailey, Idaho 83333 USA bicycle mirror , bike mirror, cycling mirror , cyclist mirror , bicyclist mirror , sunglasses mirror , glasses mirror , head mounted mirror , helmet mirror , sunglass mirror , eyeglass mirror , eyeglasses mirror, cyclist's mirror, velo, head-mount mirror, safety mirror, compact mirror