Lunarland V2 Readers +2.50 Amber Lens Bifocal Safety Glasses Sb1830R25 Yellow Features:Nose buds secure the glass and prevent slipping while providing a pillow soft fit.Strategic placement of lens insert is out of users direct line of vision. Exceeds ANSI Z87.1 High Impact Requirements Amber Lens:Commonly used in indoor low light applications.Amber +2.5 Reading Lens 9.75 base curve lens provides full side protection. Offers protection from excessive glare Provides 99% protection from harmful UV-A and UV-B rays.100% polycarbonate Scratch-resistant lenses Also available in a Clear Gray and Indoor/Outdoor Lens options as well as different size bifocals Note:For return policy in non problem,customer has to response for shipping fee and 15% restore fee,And please return within 14 days