éBRAND INFORMATION LianSan sunglasses is originated from Chinese eyeglasses retail group. They position their market to popular fashion sunglasses and currently develop retail business in more than 30 countries and regions in the world. They have R&D center in China, US and UK and own a production center in China, which helps them to meet customers demand and design cost-effective fashion sunglasses. LianSan sunglasses, integrated with design, research and development, production, transportation, brand and retail, with innovative concept and a whole industrial chain business model to provide the public with cost-effective products, comply with the FDA certification and certification of EU and China. By the end of 2015, LianSan sunglasses popularize their products and service to customers in more than 500 cities. PRODUCT INFORMATION [Brand]: LianSan [Material]: Plastic [Size]: lens width: 65mm/2.56in, bridge: 15mm/0.59in, temple: 122mm/4.8in, lens height: 50mm/1.97in; [Sunglasses Style]: Oversized [Color]: Black , Black, Brown, Tortoiseshell, Blue [Certification]: 1. DROP BALL TEST 2. Certification of FDA Registration Service CAUTION AND STORAGE Please keep the eyeglasses in the matched case in the temperature bewteen - 10 degree centigrade and + 35 degree centigrade, and prevent it from sunlight exposure in an airtight, not refrigerant circumstance. And do not wear sunglasses to drive in the dark or evening and do not directly stare at the sun or protect your eye from the artificial light's perpendicular incidence such as fluorescent lamp. WELCOME CONTACTING US IF YOU HAVE ANY QUESTIONS OR PROBLEMS!! THANK YOU!!!!é