Security Envelopes for Invoices and QuickBooks Statements - Simplified version of original title for Quality Park #9 Security Envelopes that retains the target audience information in English.

About this item

• Our big box of 500 #9 double window envelopes (3-7/8 in x 8-7/8 in) fit QuickBooks invoices & statements, not checks!; our self sealing envelopes have Redi-Seal press-to-seal closures & security tints
• Redi-Seal mailing envelopes have a unique double flap design that requires no moisture; just raise the lower flap and press for a no-fuss self seal envelope
• Double window envelopes show just the sender and receiver addresses; our business envelopes keep private info out of view; top window: 1-3/16" x 3-1/2"; bottom: 1" x 4"; envelope: 3-7/8" x 8-7/8"
• Security envelopes shield identification numbers & private data with a special security pattern to scramble the appearance of text; keeps envelope contents safe from prying eyes, even if held to light
• #9 Mailing envelopes measure 3-7/8" x 8-7/8" and tuck neatly into #10 envelopes as reply envelopes; made of 24 lb white wove paper with professional side seams; stock up on boxes of 500