usps 1st class shipping

usps 1st class shipping USPS First Class Shipping is one of the most affordable shipping options provided by the United States Postal Service. It is commonly used for lightweight packages, such as letters, documents, and small parcels, weighing up to 13 ounces. First Class Mail offers a reliable and fast delivery service, typically delivering within 1 to 3 business days, depending on the destination. This service does not include tracking for all shipments but offers a cost-effective way to send smaller items both domestically and internationally.