Ensure immediate attention! Double-window envelopes come preprinted with the statement ""Important Tax Return Document Enclosed"".

Convenient: Self-seal saves time and makes mailing easier.

Secure: Printed lining to protect your privacy.

Quality: 24# white wove confidential double-window envelope

Compatibility: For 1099s Miscellaneous Income and 1099-R Tax Form

Envelope Size: 5 3/4 x 8 7/8 ~ Top Window: 1 1/8 x 3 3/8 - 1/2 from left, 3 3/4 from bottom