All sunglasses and eyeglasses sold on Sin Chew Optics are genuine brand-name products and are 100% Authentic. All designer eyewear that we sell comes directly from original manufacturers, with no middlemen or third party involved, guaranteeing that all the products are original and authentic. All sunglasses and optical frames are packaged in the original case and/or box with any tags and stickers, which also includes a cleaning cloth or bag. Some of luxury brands even include their own authenticity certificate and/or a manufacturer's brochure in their packaging.