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.
Full Answer. For mailing purposes, a manila envelope is classified as a letter, large envelope or package based on its size. As of 2014, a letter is a minimum of 3 1/2 inches by 5 inches and a maximum 6 1/8 inches by 11 1/2 inches. A letter also must be no more than 1/4 inch thick.