Priority Mail is available for all U.S. addresses, including Puerto Rico and Guam. It is the only shipping method available for customers with a military APO/FPO address or shipping to a P.O. Box. Delivery to domestic addresses, including Alaska and Hawaii, is expected in 1-4 business days once the package departs our warehouse. Delivery to military APO/FPO address, Puerto Rico and Guam may take 3-6 weeks. Priority Mail does not offer tracking information.