Large Envelope

Dimension Minimum* Maximum

Height 6-1/8 inches 12 inches

Length 11-1/2 inches 15 inches

Thickness 1/4 inch 3/4 inch

* Large envelopes exceed at least one of these dimensions.

For example, an envelope 10 long x 8 inches high x 1/4 inch thick is considered a large envelope because it exceeds the minimum height dimension.

Large envelopes that are rigid, nonrectangular, or not uniformly thick pay package prices.

For large envelopes, length is the longest dimension.

For larger items, see package prices.