Plastic frameTAC lensNon PolarizedScratch-Resistant Coating coatingLens width: 50 millimetersBridge: 16 millimetersArm: 14 centimetersOutdoor Reading Sunglasses - Perfect for reading outdoors, these square reading sunglasses help block out the harsh sun so you can enjoy reading in the sun with peace of mind. Helps keep your eyes healthy by reducing eye strain.Reading Lens - These reading sunglasses offer exceptional clarity and are ultra-scratch resistant. The entire lens is magnified, reading magnifier and sunglasses in one, eliminating the need to carry multiple pairs of sunglasses.Stylish Square Frame Glasses - Heytea Classic fashion square glasses, reading sunglasses for fashionistas. nice quality frame, good texture, anti allergy, comfortable to wear.Product Dimension - Frame Height: 46MM(1.81'') Nose Bridge: 16MM(0.63'') Frame Length: 140MM(5.51'') Temple Length: 140MM(5.51'')Heytea glasses bring you high quality fashion experience.