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.
USPS Large Envelopes. What are Large Envelopes. The term âlarge envelopesâ (also known as flat mail) refers to First Class Mail sent in envelopes that exceed either 6ââ in height, 11Â½â in width, or Â¼â in thickness. Large envelopes are often comprised of items such as marketing newsletters, product catalogues and legal correspondence.