usps first class parcel size

usps first class parcel size refers to the dimensions and weight limitations for packages sent via USPS First Class Package Service. This service is ideal for small parcels and lightweight items. For First Class Mail, the maximum weight limit is 13 ounces, and the size requirements include a length of at least 5 inches and a combined length and girth (distance around the thickest part) of no more than 108 inches. The First Class Package Service offers a cost-effective shipping solution for small businesses and individuals sending lightweight packages, with delivery typically taking 1-3 business days within the United States.