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.
Square Flap Envelopes. The A6 Envelope is 4 3/4 x 6 1/2 in size, perfect for invitations, social mailings, holding 4 x 6 photos, as an inner or outer invitation envelope, greeting cards, and more. With two distinct flap types, a square flap and elegant contour flap, these envelopes are perfect for any occasion.