The 7 Best Size 1 Envelopes (2023 reviews)

We consider a size 1 envelope to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Aimoh super Secure Seal READ REVIEW

Best For money: Buy: Blue Summit supplies Size 1 Envelope READ REVIEW

Best For Check: Buy: Aimoh Size 1 Envelope READ REVIEW

Best With logo: Buy: Envelopes store Size 1 Envelope READ REVIEW

Best For letter: Buy: All-State legal Size 1 Envelope READ REVIEW

Best With Seal: Buy: Quality Park Size 1 Envelope READ REVIEW

Best With Window: Buy: Quality Park Size 1 Envelope READ REVIEW

Best Overall: Aimoh super Secure Seal

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The look and feel of this envelopes are consistent with the high quality we're used to from the rest of Aimoh's lineup. These are great envelopes you put your letter in and then pull off the tab and the envelope is sealed. They seal easily and are made of decent paper. It has an adhesive on the flap to seal it shut. Compared to the envelopes having to be sealed by licking them, these are so much more sanitary. It is great in a laser printer. The Envelopes are sturdy, they seal perfectly and are a good size. It is a good choice for everyday mailing.

• Peel off adhesive to seal envelope, secure coverage, works well
• Great design for small usage of envelopes
• Good quality and the peel and stick is really strong
• Nice heavy duty envelopes with great adhesive

Best For money: Blue Summit supplies Size 1 Envelope

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Blue Summit Supplies has been making great envelope for years, thanks to a combination of clever design and appropriate materials. These envelopes are a great alternative to pricier ones found at office supply stores. They work for the Quick Book invoices & statements. They save time and they're not messy. They also go through the stamping machine without issue, which doesn't cause jams.

These are used for payroll checks, checks for bills and invoicing customers. They are great for mailing out company checks to the vendors. This is for added security, so you can't see through the envelope, which is important.

• Great product for company checks matches with address lines great
• Good and effective envelopes without too much fuss
• Easy & they seal perfect, better than most if the peel & sticks

Best For Check: Aimoh Size 1 Envelope

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Not everyone likes to purchase envelope for their daily purpose, but the aimoh size 1 envelope would be an anomoly. The windows are great for checks, so you don't have to write on envelopes, but the best part is the glue. These work perfectly and they seal well. It is perfect for checks and paystubs printed from quickbooks. The adhesive actually works pretty well surprisingly. It is perfect for accounting purposes.

• Applying enough pressure with the warmth of your hands really does the trick
• Great envelopes, well made and secure
• Lot of satisfied buyers

Best With logo: Envelopes store Size 1 Envelope

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The envelopes store size 1 envelope should be able to handle its purpose and duties with ease. If you're looking for the perfect, professional business envelope with an endless amount of uses, the Monarch Envelopes (3 7/8 x 7 1/2) are the perfect choice and an amazing value. They don't tend to jam, and they hold the ink well, no bleeding or smudging. The Monarch Envelopes (3 7/8 x 7 1/2) are appropriate for everyday business correspondence and home office use and is an attractive solution for your stationery needs.

• Printable on off-set printing presses and some home printers
• New and hot release

Best For letter: All-State legal Size 1 Envelope

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Compared with other envelope in this category, the all-state legal size 1 envelope has a convenient design. It protects and enhances your estate planning document and services with professional will documents. It fits letter or legal size documents, 4 3/4"w x 10"h with 1" expansion.

• Crisp and professional 25% cotton paper
• Good investment for long term

Best With Seal: Quality Park Size 1 Envelope

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The quality park size 1 envelope is suitable and reliable and fits well with your regular usage. The Self-stick Redi-SealTM closure requires no moisture to seal. These envelopes measure 4 1/8"""h x 9 1/2""l in size, providing enough space for your mail. The Double flap design keeps envelope open until you choose to seal it.

• Redi-seal closure with wallet flap seals securely without moistening
• One of the new comers and featured product

Best With Window: Quality Park Size 1 Envelope

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Quality Park makes beautiful and great envelope with classic and smartly choosen materials. These envelopes measure 4 1/2"" x 9 1/2"" in size, providing enough space for your mail. It measures 4.5"" x 1 plus features security tint to preserve privacy.

• Redi-seal closure with commercial flap seals securely without moistening
• Features security tint to preserve privacy
• One of the new comers and featured product