international shipping carriers are companies that provide services for sending goods across borders. Some of the most common international shipping carriers include DHL, FedEx, UPS, and USPS. These carriers offer different shipping options based on delivery speed, package size, and destination country. Depending on the service, international shipments can take anywhere from a few days to several weeks. Choosing the right carrier depends on the needs of the seller or buyer, considering cost, delivery speed, and reliability.