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.
If more than 13 ounces, see Priority Mail (footnote #4).4. For weights over 3.5 ounces, see Large Envelopes prices.5. The card price applies to each single or double postcard when originally mailed; reply half of double postcard must be designed for reply mail purposes only.6.7. Tips and Tools for Measuring maximum size for Letters 11-1/2 long x 6-1/8highLarge Envelopes exceed one of the letter size maximum dimensions. Once a piece of mail exceeds the maximum length, height, or thickness of one shape, it automatically gets classified as the next largest shape.