Synonyms of Hiccups, Chronic. General Discussion. A hiccup is an involuntary spasmodic contraction of the muscle at the base of the lungs (diaphragm) followed by the rapid closure of the vocal cords. Usually, hiccups last for a few hours or, occasionally, a day or two. However, chronic hiccups are ones that continue for an extended period of time.
Lets answer your question in several parts; The Short Version First: 1: First Class Letter - Max weight is 3.5 oz. 2: First Class Large Envelopes - Max weight is 13 oz. 3: First Class Parcels - Max weight is 13 oz. Long Version: You asked about âFirst Class Mailâ and the weight limits. Mail is defined as âLetters and packages conveyed by the postal systemâ. See Google.
First-Class Mail includes letters, postcards, large envelopes (called flats), and small packages, providing each piece weighs 13 ounces or less. First-Class Mail is processed by the USPS with the highest priority. It goes to the front of the line; ahead of the other classes of mail. Locally, First-Class will typically be delivered within one to two business days, and nationally it will be delivered in three business days.