Size:1 Pack WPX-007 Features: -Air mail envelope. -Trade size: 10#. -Made in the USA. Product Type: -First Class Envelopes. Country of Manufacture: -United States. Dimensions: -Box carton depth: 1.5". Overall Height - Top to Bottom: -4.25". Overall Width - Side to Side: -9.63". Overall Product Weight: -0.26 lbs.