Staples - QuickStrip EasyClose Self Seal Security Tinted #6 3/4 Business Envelopes, 3 5/8" x 6 1/2", 100/Box - White

Send checks, bills and other correspondence with these security-tint envelopes. Each one has a security-tint feature that prevents third parties from reading enclosed information, while the EasyClose design lets you seal it shut by removing the strip and pressing the flap down. These Staples EasyClose envelopes come in a pack of 100, so they are great for handling large mailing jobs.