11. To demonstrate the melody and motion, simply press the Monitor button (located either on the back, the side of the clock, the lower front of the clock, or as a pull-string below the clock). Pressiing the button repeatedly while a song is playing, will cycle through the entire selection of songs.
First Class Large Envelope/Flat Mail. Minimum size: 6 1/8 inches tall or 11 1/2 inches long and 0.007 inches thick. Maximum size: 12 inches tall x 15 inches long and 3/4 inches thick. Maximum weight: Up to 13 oz.
The maximum weight for a First-Class letter envelope, which is 3.5 ounces, according to the United States Post Office. There are also size and proportion requirements to consider when sending mail First-Class. Letter envelopes must be rectangular, and they must not exceed 11.5 inches in length or 6.125 inches in height.