overnight mail

overnight mail refers to expedited shipping services that guarantee delivery of packages by the next business day. Common carriers offering overnight mail include USPS, UPS, and FedEx, each providing various options depending on package size, weight, and destination. Overnight delivery is often used for urgent documents or high-value goods that need immediate attention. For businesses, offering overnight shipping can help improve customer service and boost sales by meeting time-sensitive demands. Integrating expedited shipping options into your e-commerce store ensures better customer satisfaction and loyalty.