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.
Letter size requirements for $0.47 postage rate:*. *6.5â³ x 8.75â³ and square letters require a postage rate of $0.68 due to their odd sizes. Post card size requirements for $0.34 postage rate: Large envelope size requirements for $0.94 postage rate: NOTE: If one of the above dimensions for the minimum envelope (6 1/8â³ x 11 1/2 x 1/4) are exceeded, the envelope will be considered a large envelope.