usps first class shipping time

usps first class shipping time is typically 3 to 5 business days within the U.S., making it a cost-effective option for small packages that are not time-sensitive. USPS First Class Mail is used for lightweight items, such as letters, documents, and small packages, weighing up to 13 ounces. The service is reliable and economical, though delivery times can be longer during peak seasons, like the holidays.