9-1/2″ x 12″ Blank, Double Window Envelope
Perfect for mailing large tax returns using an address slip sheet.
It opens on the long edge, which makes it easier to insert larger documents.
The staggered window positions are preferred by the USPS for more accurate scanning of the delivery address.
Size: 9-1/2″ x 12″
Top Window Size: 1-3/4″ x 5-1/2″
Top Window From Left Side: 1-1/8″
Top Window From Bottom: 8 7/8″
Bottom Window Size: 2″ x 6″
Bottom Window From Left Side: 2″
Bottom Window From Bottom: 4-3/4″
Material: White Wove
Flap Opening: Long side