Staples Fold-and-Stick #10 Double Window Security Envelopes - 4-1/8" x 9-1/2" - White - 250 Pack

Send important mail with confidence with Staples Fold-and-Stick #10 Double Window Security Envelopes. Ideal for business correspondence- #10 is a commonly used envelope size for mailing letters- cheques- billing statements- invoices and more. Quick and easy to use- they feature a fold and stick closure that doesn't require moisture. Simply raise the lower flap and press it to the upper flap to seal. The white envelopes are designed with a square flap and side seam that allows for easy insertion of forms. They are made of sturdy 24 lb. stock and come with two left-sided windows that display the return and mailing address. A security tint prevent others from reading sensitive contents for greater privacy.