All designer sunglasses and eyeglasses at OPTIMANIA.com are Brand New, 100% Authentic, and come with a manufacturer's warranty. We never dealt with fakes, imitations, replicas, or any other form of non-original eyewear. We do not sell or distribute any sunglasses or eyeglasses which are not derived from a direct relationship with a certified and accredited manufacturer. So our Authenticity Guarantee is simple and plain, it's a 100% money back guarantee. No questions asked or hoops to jump through, we stand behind every pair of sunglasses we sell - without exception.