Contact Lens Solution Twin Pack Up&Up Compare Opti-Free Puremoist 12 Oz Each. Exp 3/2027 Due to recent increase in USPS shipping, we may adjust shipping method by using either FedEx or USPS. Due to recent increase in USPS shipping, we may adjust shipping method by using either FedEx or USPS. Our goal is to keep our prices as low as possible. Therefore, we will ship USPS or FedEx, whichever has the lowest cost to your address. Prices vary greatly from region to region and cost is based on size & weight. Due to these factors, it is impossible for us to know ahead of time which service will offer the lowest cost. Upon shipment, you will receive tracking information letting you know which service was used and the approximate delivery date.