The OPOLLY store is the only official flagship store that sells the OPOLLY brand. Please check the store name when you purchasing.Best Material: All the Lenses materials we used are the best!Because we have always believed that good materials can shape good products and good experiences.Lightweight Design:Ultralight Frame Weight Can be worn for a long time, ultra-light structural design will not cause any pressure on the bridge of the nose. A Complete Accessories Set:▷100%UV400 sports polarized sunglasses*1▷durable, hard zipper case*1▷packaging box*1▷glasses pouch*1▷cleaning cloth *1▷myopia glasses frame*1▷polarized light test card*1Precautions：*Do not Place the sunglasses next to the flame to avoid melting.*Do not Prolonged exposure in the salt water or cleaning water with chemical.*Do not wipe the lenses with finger directly.A cleaning cloth is the best choice for cleaning lenses.*Any quality problem please feel free to contact us immediately,we will answer the message within 12 hours.