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What Are You Mailing? International

This picture shows a postcard. This picture shows a letter. This picture shows a large envelope. This picture shows a package.
Postcards

Maximum thickness 0.016 inch
Letters

Maximum thickness 1/4 inch
Large Envelopes

Maximum thickness 3/4 inch
Packages

Size limits vary by Product and Country

Mailpiece Dimensions

SHAPE LENGTH HEIGHT
Postcards minimum
maximum		 5-1/2 inch min.
6 inch max.		 3-1/2 inch min.
4-1/4 inch max.
Letters minimum
maximum		 5-1/2 inch min.
11-1/2 inch max.		 3-1/2 inch min.
6-1/8 inch max.
Large Envelopes minimum
maximum		 11-1/2 inch min.
15 inches 		6-1/8 inch min.
12 inches
Packages Size limits vary by Product and Country