weight limit usps first class mail

weight limit usps first class mail is a key consideration when using USPS First-Class Mail for shipping. The weight limit for First-Class Mail is 13 ounces (368 grams) for parcels. This makes it an ideal service for sending lightweight items such as letters, small packages, and documents. For packages that exceed the 13-ounce weight limit, customers must use other USPS services such as Priority Mail or Priority Mail Express. First-Class Mail is one of the most affordable options for shipping lightweight items, and it typically offers fast delivery times, with shipments usually arriving within 1 to 3 business days for domestic shipments. For international shipments, First-Class Mail offers a low-cost option for sending small parcels, with delivery times that can vary based on the destination country. Customers can track First-Class Mail parcels using USPS tracking services, and the shipping cost is based on the weight and size of the package.