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.
â A first-class stamp has size & weight limitations. The maximum size allowed with a 44-cent stamp is 11â³ X 6â³ X 1/4â³ thick. The maximum weight is 1 ounce, or about 4 pieces of paper inside a normal-sized envelope. â Using more than one 44-cent stamp on an oversized letter or package can be VERY inefficient. For instance, letâs say you are mailing a letter that is just over 1 ounce in weight.