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.
Letters. 1  The single-piece 1-ounce letter rate is $0.41, the additional ounce price is $0.17, and the single-piece postcard rate is $0.26. 2  The maximum size for letters did not change: 11-1/2 x 6-1/8 x 1/4 thick. When a piece of First-Class Mail exceeds any one of the maximum measurements of a letter, it is classified and priced as a large envelope (flat). The maximum weight for letter-size pieces is 3.5 ounces. The $0.17 nonmachinable surcharge applies to all First-Class Mail letters weighing up to the maximum weight of 3.5 ounces, with one or more nonmachinÂ­able characteristics. Common nonmachinable characteristics include the following: The aspect ratio (length divided by height) is less than 1.3 or more than 2.5.