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.
1 Envelopes Must be rectangular to qualify for letter prices. 2  Size Requirements: Height: 3 1/2 min. / 3  6 1/8 max. 4  Length: 5 min. / 5  11 1/2 max. 6  Thickness: 0.007 min. / 7  1/4 max. 8  Max. 9  Weight: 3.5 oz.