quality park envelope double window

These boxes of 500 white #9 double window security envelopes (3 7/8 in x 8 7/8 in) protect your customers’ sensitive data; a reflex blue pattern obscures the details of what’s inside
Redi-Seal self seal mailing envelopes require no moisture; the unique double flap design allows you to simply raise the lower flap and press to seal
Double window envelopes show sender and receiver addresses; top window is 1 3/16″ x 3 1/2″; 3/8″ from the left; 2″ from the bottom; bottom window is 1″ x 4″; 3/8″ from the left; 1/2″ from the bottom
#9 Mailing envelopes measure 3 7/8 in (height) x 8 7/8 in (width) and are made of 24 lb white wove paper with professional side seams; #9 envelopes fit into #10 envelopes