100% UV protection - UV400. Wash with warm soapy water, rinse with clean water and dry with a soft cloth. Do not use abrasive detergents or sprays. Store in a hard or soft case in a dry place, avoid high temperature exposure! Warning: Do not look directly into the sun when wearing the glasses; does not protect the eyes from artificial light sources (such as simulated daylight) does not protect the eyes from mechanical impact damage; products with filter level 4 are not suitable for driving at night or in dim light. This product complies European Regulation 2016/425 in accordance with standard EN1012312-1: 2013+A1: 2015(Sunglasses for general use-Not for direct observation of the sun & Not for protection against artificial light sources & not for use as eye protection against mechanical impact hazards). Brand Name: Ruiao; Certification: CE; Lenses Optical Attribute: UV400; Model Number: RA011; Made in China