Columbian Self Seal Envelopes. Columbian Self-Seal Business Envelopes with Security Tint are great for business uses including sending checks and invoices. Just about any envelope can be made self sealing by adding latex or peel & stick.
They come with a convenient adhesive for easy closure. Buy Self Seal Envelopes and get the best deals at the lowest prices on eBay! This envelope is ideal for all business, professional and personal correspondence.
Our self-seal Manilla envelopes are the secure choice for mailing confidential business information.
Double-window envelope, your return address appears in upper window, payee's address appears in lower window.
This envelope is ideal for all business, professional and personal correspondence. Just about any envelope can be made self sealing by adding latex or peel & stick. Our address label and seal sets are designed to coordinate, so you can choose a colorful holiday theme to accent your mailings, a.