Staples - Laser Check Size Gummed Security Tinted Business Envelopes, 3 5/8" x 8 7/8", 1000/Box - Wove White

Enjoy the convenience of these double-window envelopes. Each envelope has a gummed flap that seals securely once moisture is applied, ensuring it doesn't close until you're ready, while the security tint helps keep confidential information private. These Staples check-size laser envelopes have a double window, so you don't need to manually apply shipping labels and return addresses labels.