The MK2019 Adelaide I MK2019-55-315313 does what it is supposed to do. Manufacturerd by a quality brand in Michael Kors, means the MK2019 Adelaide I MK2019-55-315313 has been manufactured to last. Like all Michael Kors sunglasses you will receive a manufacturer's warranty, and will be able to send back your Michael Kors sunglasses in the event you are not entirely happy with your order.