PRODUCTS DIMENSION-Frame material: plastic,Lens width: 2 1/16" (52mm),Frame width: 5 3/8" (137mm),Lens height: 1 1/16" (27mm),Frame height: 1 1/4" (32mm),Bridge (DBL):9/16" (15mm),Temple length: 5 5/16" (130mm),Spring hinge: Yes,Lenses: Aspheric,Head size: Narrow to Medium.Rx-able frame EYEKEPPER GEOMETRIC TEMPLES READING GLASSES-the pupil distance(PD) is 59-63mm,the deviation for pupil distance(PD) less than 2mm,the deviation for strength less than 0.02,the deviation for lenses's horizontal line less than 1mm EYEKEPPER SPRING HINGE READING GLASSES-4 pack at 1 Low Price,Sets come in 1 power of your choice.These are not mixed powers.spring-loaded hinges,Rx-able Glasses Frame.Classic rectangular-shaped frames, look good on any face QUALITY FRAME -FDA Registered Reading Glasses and Eyewear,Accord with ANSI Z80.3-2010,Accord with BS EN ISO 12312-1:2013 and EN14139:2010,Accord with AS/NZS 1067:2009,Top quality plastic frame,lenses and have spring-loaded hinges LIFETIME BREAKAGE WARRANTY&30 DAY MONEY BACK GUARANTEE: In case any broken problem happens, contact the seller of Eyekepper without hesitation to solve the problem until satisfaction. Eyekepper provides lifetime after sale service for all Eyekepper reading glasses. Customers can return and get refunded for any reason. You have no risk to try DISCOVER THE EYEKEPPER DIFFERENCE Provide the quality and ex-factory price reading glasses and customer service The frame for the most comfortable fit available today in addition to unparalleled durability Great fashion Geometric temples design reading glasses with spring hinges FEATURES AND BENEFITS Aspheric scratch resistent coated lenses Top quality plastic frame and have spring-loaded hinges Optically correct Whether you are looking for reading glasses for the office or home. Eyekepper reading glasses will give you the premium protection you are looking for Lifetime breakage warranty on frame & lenses 30 days money back guarantee INCLUDES Matching soft case CARE To avoid damage, never clean your reading glasses with paper towels or clothing or alcohol, and also avoid using household detergents or soaps. While a few mild soaps don't harm lenses, today's extra strength soaps are powerful enough to slowly disintegrate lens coatings.