USPS Eastern Tiger Swallowtail - two-ounce Forever stamps
For use on irregularly sized envelopes, such as two-ounce letters, square greeting cards, invitations, announcements
The square format of the stamp was developed in partnership with the greeting card industry specifically for over-sized or square envelopes
Sheet of 20 stamps
Non-Machineable Surcharge stamp is always valid for that rate (68 cents as of 4/10/16), similar to a forever stamp
Can also be used on any USPS mailings, value applied towards total postage cost

Technical Details

Product Details

Package Dimensions
Width : 6.9 inch
Height : 0.2 inch
Length : 9 inch

Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B00YSJIO7U