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.
Please Note: Letter rates are just for normal business envelopes (size 6 and 10), which are no larger than 6-1/8 in height and 11.5 in length. Standard manilla envelopes are considered large envelopes. Anything larger than 1/4 and smaller than 3/4 in thickness are large envelopes regardless of what size envelope it is. Anything larger than 3/4 in thickness is considered a package regardless of the size of the envelope.