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For checks, statements, notices, invoices and more, #10 envelopes are the most popular choice. Browse our huge variety of styles, like regular, window, square flap, open end and more, for any mailing need.
One of the most commonly seen envelopes is the #10, made for checks, statements, notices, invoices, and other business-related mail. Our #10 envelopes measure 4 1/8”x9 1/2”, featuring dozens of stunning colors, convenient security tinted options, and moistenable and Peel & Press™ sealers. In over 100 striking colors, our #10 envelopes offer fresh and professional looks for any business. #10 Regular Envelopes: From paychecks to invoices, these envelopes are perfect for your daily, weekly, and monthly business mailouts. To protect private information, security tinted options are available. These seal with a moistenable flap. #10 Window Envelopes: Window envelopes are a great option for businesses, with a transparent plastic window that shows the addressee on the enclosed document. These are offered in 50 unique colors, many including security tinted interiors. #10 Square Flap Envelopes: These #10 envelopes have a distinctive square flap with many uses, from enhancing business communications to dinner party invitations. These chic options are offered in 83 beautiful colors, including LuxFoil Lined envelopes. #10 Open End Envelopes: Open End envelopes are great multipurpose choices for mailing both bulky materials and small items like coins and catalogs. In 40 unique colors, these can be ordered plain or custom printed with your logo for a specific use. #10 Right Side Window Envelopes: These are similar to the #10 Regular Envelopes but feature the transparent window on the right of the face. Choose our standard Bright White option or with a security tinted interior. These envelopes have moistenable seals. #10 Full Face Window Envelopes: The Full Face Window envelopes feature an entirely open face with a transparent plastic window to allow important information to be seen immediately. These #10 envelopes have moistenable seals and come in nine unique colors. #10 Window Bottom Flap Envelopes: With a security tinted interior, the Window Bottom Flap envelopes are opened from the bottom to protect sensitive materials and feature a transparent window on the face. These are offered in a crisp, professional white. #10 Open Window (No Plastic) Envelopes: If you’d rather not have the plastic windows, these #10 envelopes feature open windows on the face. Offered in white, these seal shut with a moistenable glue. These are great for those wanting to reduce plastic use! #10 Double Window Envelopes: Cut mailout time in half with the Double Window envelopes—no more writing out addresses thanks to two transparent windows! Most of these come with security tinted interiors and seal with either moistenable glue or Redi-Seal. #10 All Purpose Window Envelopes: These #10 envelopes are designed with a large square window on the left of the face to display important information alongside the addresses. Choose from seven colors, including one white option with security tint. #10 Button and String Envelopes: The Button and String offers undeniable charm and personality, sealed by wrapping a string around two buttons. For special correspondence with clients or partners, these will make your enclosed materials feel special. #10 Bottom Flap Window Envelopes: These Bottom Flap Window envelopes open and seal at the bottom, with a transparent plastic window at the left of the face. These do not feature security tint. #10 Regular Post It Envelopes: The #10 Regular Post It envelopes have a white body with a bright yellow post-it note design. The note is ideal for sales and deal announcements for your business. These envelopes can be ordered plain or custom printed. Printed #10 Window Envelopes—Custom with Return Address: These envelopes feature your company’s info for everyday business use. With a transparent plastic window, these useful envelopes are essential to any office. We offer machine insertable options as well! No matter what your needs are, we offer many types of the #10 envelopes to suit everyone! Spruce up your mailers during the holidays with festive envelopes or introduce totally new ones to pique your recipients’ interest. If you have any questions or concerns about our #10 envelopes, please feel free to contact us.