All Merchandise sold on BetterEyewear.com is 100% Guaranteed to be Authentic. At BetterEyewear.com,we stand behind the authenticity of all Our merchandise which is why we offer a 100% money back guarantee if you are not fully satisfied with your purchase. BetterEyewear.com is an official authorized dealer of all Luxottica products (which includes Ray Ban, Prada, Dolce & Gabbana, Persol, Burberry, Miu Miu, Versace and many more). We are part a a very limited group of merchants that were selected as official authorized online retailers. When purchasing a frame at BetterEyewear.com your frame will be covered under the manufacturers warranty since BetterEyewear.com is a direct dealer. Better Eyewear is one of the largest and fastest growing internet-based designer eyewear retailers in the USA. We are proud to offer a 100% satisfaction guarantee. If for any reason you are not happy with your purchase you may return it for a complete refund.