The MK1021 Lon MK1021-53-116813 does what it is supposed to do. Manufacturerd by a quality brand in Michael Kors, means the MK1021 Lon MK1021-53-116813 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.