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.
The minimum and maximum dimensions for Priority Mail International parcels are as follows: For Priority Mail International parcels, the surface area of the address side of the item to be mailed must be large enough to completely contain the postage, PS Form 2976-E (the envelope for the customs label), and any other applicable endorsements or markings.