The 10 Best 500 Security Envelopes (2023 reviews)

We consider a 500 security envelope to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Aimoh every Pack READ REVIEW

Best For Check: Buy: Horchen 500 Security Envelope READ REVIEW

Best For So many Envelopes: Buy: Amazon Basics reasonable Price READ REVIEW

Best For low Price: Buy: Splendoress 500 Security Envelope READ REVIEW

Best For invoice: Buy: Aimoh 500 Security Envelope READ REVIEW

Best For Great Quality: Buy: Amazon Basics 500 Security Envelope READ REVIEW

Best With signature: Buy: Blue Summit supplies Bottom Window READ REVIEW

Best For Mailing off letters: Buy: HERKKA unique Window READ REVIEW

Best With logo: Buy: Blue Summit supplies 500 Security Envelope READ REVIEW

Best With Most inkjet And Laser printers: Buy: HERKKA 500 Security Envelope READ REVIEW

Best Overall: Aimoh every Pack

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The aimoh every pack is capable of outshining several other envelope featured in this list in overall features. These opaque envelopes contain a security tint that keeps your mailings secure and confidential. It is manufactured from heavyweight extra white sturdy wove stock paper, combining a professional security tint pattern and smooth finish. It creates a tough seal across the width of the envelope. Security is excellent and they seal great.

These envelopes are great, easy to use and no licking. The adhesive strip is wider and carries the entire length of the envelope flap. These are better quality and work better in the printer. It comes with a convenient peel-and-stick flap, saving time and ensuring all documents stay enclosed.

• Smooth texture, the self seal is self explanatory
• Love the security design, and the peel and stick ability
• Perfect envelopes for sending checks, etc

Best For Check: Horchen 500 Security Envelope

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate envelope. The horchen 500 security envelope is exactly that - it's a simple envelope that hits all the right notes. This strong adhesive design will help protect your documents. It is designed to be self-sealing, no need to pass a wetting agent or lick seal, just peel off the adhesive strip, press and seal. They are stronger than most ordinary envelopes. The self-adhesive strip is super strong so you don't have to worry about the envelope coming open during transportation.

This kind of design will help you to print the information like address quickly when you use an inkjet printer, saving your effort and time. It is easy to write on, the print pattern on the inner lining effectively obscures checks within, and the adhesive strip works perfectly. They are made from good quality paper stock and are put together very well with no seams coming loose. These come in a nice box and are sealed in plastic to keep them dry and clean.

• Peek proof and a good weight
• Nice quality with sticky adhesive pull tab
• Ample size, covers contents completely, good quality and adhesion

Best For So many Envelopes: Amazon Basics reasonable Price

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The amazon basics reasonable price is capable of outshining several other envelope featured in this list in overall features for the price point. Security envelopes have a design on the inside that makes it impossible to see through them even when you hold it up to the light. They work fine and are better at sealing than the self-adhesive ones. They have a security lining. It will hold 3 or 4 sheets of tri-folded regular printer paper for mailing purposes. These will be sufficient if you are printing one at a time, but if you're trying to batch print they will jamb things up. These are good envelopes to use for business or paying bills.

• Nice quality, thicker paper, and good glue coverage
• Lots of excellent quality (thicker) envelopes
• High quality confidential envelopes for secure sealing and mailing

Best For low Price: Splendoress 500 Security Envelope

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These envelopes are thick, sturdy envelopes that provide security because you cannot see through it. They work well for sending letters. They don't stay closed when you wet and seal them. They are perfect for letters and bills. They are perfectly good envelopes that live up to their manufacturer's prescription.

These are perfectly good envelopes that live up to their manufacturer's prescription. It is perfect for letters and bills. They are a great value as well at 4.5 cents per envelope.

• Look and sturdiness of envelopes are great
• Seals great, heavy enough not to see through
• Great envelopes you don't have to lick

Best For invoice: Aimoh 500 Security Envelope

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The aimoh 500 security envelope is satisfactory and appropriate and fits well with your daily purpose. These are great, budget friendly envelopes. It is manufactured from heavyweight extra white sturdy wove stock paper, combining a professional security tint pattern and smooth finish. The adhesive is good, but it gets all over your fingers when removing the tabs. The removable strip does not come off cleanly and some of the adhesive comes off with the strip, leaving gaps in the seal.

These envelopes are professional looking and simple to stuff and seal. The stick sticks, the checks fit and the quality is superior. These are more suitable for sending out invoices.

• Perfect for quickbooks invoices and statement’s
• Sticky, gummy glue residue all over your hands
• Seams good, windows good, seals good

Best For Great Quality: Amazon Basics 500 Security Envelope

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The amazon basics 500 security envelope might be a relatively new release, but it's still nothing short of impressive this year. The sealer goo hits only sporadically along the triangular shaped gummed area. It works well for direct printing, labeling, or addressing by hand. The adhesive sticks but will release if you need to reopen the envelope. The quick seal sticker is VERY efficient, easy, and reliable.

These envelopes are sturdy and self-sealing and business size #. It is made with heavy paper and strips are easy to get off. The best part about these envelopes is that the glue is distributed across almost the whole flap so the contents are secure. The envelopes are super easy.

• Holds great and well made can't see through
• Excellent quality tight sealing security envelopes that don't cost an arm and a leg
• Good brand reputation

Best With signature: Blue Summit supplies Bottom Window

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Blue Summit Supplies is known for creating pragmatic and minimalist envelope for people on the go, and its line of blue summit supplies bottom window definitely falls in line with that reputation. These envelopes are the perfect for checks printed from QuickBooks. The boxes are made to hinge the lid open along one edge to easily remove a small stack of envelopes for use. The returns address fits completely and is 12 pt font with 20 characters on the longest line. The windows fit the quickbook checks. The checks fit perfectly and the windows are in exactly the correct place.

These are excellent quality and Quickbooks checks fit perfectly in the windows. It can hold a normal piece of paper as well to add an invoice or statement with the check.

• Great quality, and they seal easily and well
• Perfect size for mailing intuit/ quickbook checks
• Like the ease of self sealing

Best For Mailing off letters: HERKKA unique Window

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Not everyone likes to purchase envelope for their daily purpose, but the herkka unique window would be an anomoly. If you’re looking for the perfect security envelopes with professional security tint, and strong, quick seal strips, in a great value 500 envelope supply, perfect for everyday use, herkka #10 security tint envelopes are the perfect choice. It has a blue printed pattern in the inside as an added measure of security. The windows are large enough to allow pretty much any pre-printed address to be visible.

The windows are very clear and you can fit a standard size letter in it. There is a little left-to-right movement of the document to take into account for the window addresses. They have a flip and seal design that makes it easy to close them without any hassle. If you are using quickbooks for your small business these will fit standard sized business checks.

• More wetness, no more pulling paper off
• All materials (paper, plastic, glue) make it a great-quality product
• One of the new comers and featured product

Best With logo: Blue Summit supplies 500 Security Envelope

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These envelopes are designed for both laser and inkjet printers. It is perfectly good for envelopes. It is sealed, the envelope has to be ripped to get inside. The envelope feels fairly thin but is substantial and when any mail is returned, the envelope is still in good shape.

The Uick and easy to use gummed seal design this has a strong adhesive that completely secures your contents to prevent them from falling out and being lost or shown to others. This is a resume quality thickness.

• Turkish made product with great security pattern
• Nice security pattern on the inside of envelope
• Good investment for long term

Best With Most inkjet And Laser printers: HERKKA 500 Security Envelope

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If you’re looking for the perfect security envelopes with professional security tint, and strong, quick seal strips, in a great value 500 envelope supply, perfect for everyday use, herkka #10 security tint envelopes are the perfect choice. It has 500 envelopes which can meet a long lasting supply, ideal for mass mailing of everyday business tasks.

The 10 security envelopes are designed with a premium security printed design to provide guaranteed privacy for your legal or business mail, offer the protection of contents and sensitive information, and a security tint makes envelopes hard to see through that ensures upmost privacy. There is a plastic film over the window. These envelopes stay sealed, are not transparent and can be stuffed easily with standard printer paper. It is great in laser printer.

It is ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless blank design that allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office.

• Large, windowless design measuring 4-1/8 x 9-1/2 inches
• Awesome value, good paper, great toner adhesion from the printer too
• Delivers what they promise