The GG 3576-S WG9 JS Blue Grey Sunglasses 257204WG959JS does what it is supposed to do. Manufacturerd by a quality brand in Gucci, means the GG 3576-S WG9 JS Blue Grey Sunglasses 257204WG959JS has been manufactured to last. Like all Gucci sunglasses you will receive a manufacturer's warranty, & will be able to send back your Gucci sunglasses in the event you are not entirely happy with your order.