The Grey P7313 Sunglasses 2175034EY64I3 does what it is supposed to do. Manufacturerd by a quality brand in Polaroid, means the Grey P7313 Sunglasses 2175034EY64I3 has been manufactured to last. Like all Polaroid sunglasses you will receive a manufacturer's warranty, & will be able to send back your Polaroid sunglasses in the event you are not entirely happy with your order.