The M2903S Sabrina M2903S-402 does what it is supposed to do. Manufacturerd by a quality brand in Michael Kors, means the M2903S Sabrina M2903S-402 has been manufactured to last. Like all Michael Kors sunglasses you will receive a manufacturer's warranty, & will be able to send back your Michael Kors sunglasses in the event you are not entirely happy with your order.