Finding the Flavor of Chocolate. Gregory Ziegler puts a small block of chocolate into a styrofoam bowl and sticks it into the microwave. Soon, a lovely sweet aroma spreads through the air, lending warmth to the otherwise bleak lab. Ziegler takes the bowl out of the microwave; it's filled with a thick, swirling liquid.
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.
Last Updated: Feb 20, 2014 03:17PM EST. According to the USPS, the smallest mailable envelope must have the following dimensions: 3 1/2 inches x 5 inches. Please click the following links to learn more. http://pe.usps.com/businessmail101/mailcharacteristics/letters.htm http://pe.usps.com/cpim/ftp/manuals/qsg300/Q201.pdf. Yes I found this article helpful.