U.S orders will be shipped via USPS & FedEx and International Orders will be shipped depending on the fulfillment center the product is from.Average transit times to the United States from our domestic warehouse: 2-5 Business daysAverage transit times to the United States from our international warehouse: 10 - 21 Business days. Average transit times to International: 15 - 45 Business daysThere are circumstances that are out of control (natural disasters, holidays, weather, etc) that may cause shipping postponements. While most packages will arrive on time, there may be circumstances and delays that our carriers may experience. For this reason, we do not guarantee the exact delivery time; the delivery issue is the responsibility of the shipping company.