is a designer frame. All designer frames come with an authentic case. The frame is specially designed for . The manufacturer for Prada Sport PS 54IS Sunglasses is Prada Sport. The Prada Sport PS 54IS Sunglasses eyewear comes with at least a one year warranty, which means if there is a manufacturer defect please call or email us so we can help you return the frame to the manufacturer. The frame has 8 color(s) and 1 size(s).