These glasses have following features:
Acetate frame
CR-39 lens
non-polarized
Lens width: 2 inches
😎 SLEEP DOCTOR RECOMMENDED – Get the best night’s sleep of your life with the only blue light blocking glasses now endorsed by the Sleep Doctor .
😎TRUE BLUE LIGHT BLOCKING PROTECTION – Our Daytime High Definition Sunglass Lens provide crisp and clear vision unlike any other. Our patented CR-39 orange lenses block more blue light than any other computer reading glasses. Our blue light blocking lenses are laboratory tested, anti glare and anti reflective and help support people with insomnia and macular degeneration.
😎 SMASH-FREE WARRANTY – Go ahead and scratch them, smash them, run them over. Do whatever you like to them. Send them back and we will replace them for FREE for the life of your purchase.