9 x12 Full Face Window Certificate Envelopes - 28lb Paper. Bright White, Large Clear Plastine Window - 25 Pack. Only 15 left in stock - order soon.

500 No. 9 Double Window Security Envelopes - Designed for Quickbooks Invoices and Business Statements with Self Seal Peel and Seal Flap - Number 9 Size 3 7/8 Inch X 8 7/8 Inch

Sep 2, 2015 · Ideal for business mailings, these #9 double-window white envelopes work well for 8.5-by-11-inch statements and invoices.

Give outgoing mail a professional look with these Staples Reveal-n-Seal double-window self-sealing envelopes. Each envelope has a double window, letting you display both the destination address and the return address at the same time, while the self-sealing flap makes it easy to close and secure each envelope.

#9 Window Envelopes (3 7/8 x 8 7/8) are commonly used as a reply envelope for invoice/business mailings, sent to recipients inside #10 Envelopes in order to mail something back to the sender Comes in White w/ Simple Seal, 24lb.

#9 Window Envelopes with Regular Gum with Blue Tint, 24lb. Bright White Paper, 3 7/8 x 8 7/8 inches

The #9 Window envelope 24# white wove is the perfect size for mailing folded letters, invoices and statements. Diagonal seam.

Save time with a #9 Window Envelope. No need to address every envelope - simply print the address on your document to show through the convenient poly-film window. Ideal for business reply use. Personalize your #9 envelopes with a company logo, address, unique messaging, or other custom design!