Amazon Basics #9 Double Window Security Tinted Envelopes, White, 500 ct
Brand: Amazon Basics
Color: White
500 standard-size security-tinted #9 double window envelopes
Ideal for 8.5-by-11-inch computer-generated invoices and statements
Double windows 3/8-inch from the left to show sender info (2 inches from bottom) and recipient info (1/2 inch from bottom)
#9 envelopes measures 3-7/8 by 8-7/8 inches each