Ensure immediate attention!
Double-window envelopes are intended for use with continuous and laser 1099 forms.
The gummed flap seals and security Printed lining ensure privacy.
"Important Tax Return Document Enclosed" is printed on front of each envelope.
24 lb. white wove finish envelopes have two clear windows to reveal the return address.
2020 Double Window Envelope for 3-UP 1099 forms. This envelope accommodates continuous and laser 1099, 1098, and W-2G forms (except Form 1098C, 1099MISC, 1099INT, 1099R, 1099B, 1099K, and 1099DIV). 3-78" x 8-3/8", Color is White, 2 windows, Gummed envelopes.