Staples - Security Tinted #8 5/8 Business Envelopes, 3 5/8" x 8 5/8", 500/Box - White

Mail sensitive letters, checks, and invoices securely with these left-window gummed envelopes. Each envelope is made from white 24-pound paper for a high-quality look and feel, comes in check-size for convenience, and provides a gummed commercial flap, letting you seal it easily. These Staples security-tint gummed envelopes come in a pack of 500, so you can stock up the supply closet.