us postal service first class mail parcel

us postal service first class mail parcel is a USPS service designed for sending lightweight packages weighing up to 15.99 ounces. First-Class Mail Parcel is typically used for small, non-urgent packages and offers a more affordable shipping option than Priority Mail. It includes tracking but does not offer the same level of speed as Priority or Express services, with delivery times ranging from 1 to 3 business days, depending on the destination.