The 9 Best Size letter Envelopes In inch (2023 reviews)

The envelope is a must have accessory for your daily usage. These elegant and pretty envelopes feature a shimmery foil lining with square flap closure. The blush color of the envelope and rose gold foil lining is very pretty indeed. The paper weight is sturdy enough for using in elegant stationery. The rose gold foil on the inside makes it look very fancy. The colors (inside flap and out) are beautiful.

These are classy and the inside flap has that little bit of metallic paper. They sealed well and are sturdy enough to survive the perils of the USPS.

Why We Like This:

High quality paper envelope with inside gold shimmer
Very convenient and easy to use
Good investment for long term

Best For Printer: Splendoress Size letter Envelope In inch

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The splendoress size letter envelope in inch might be a relatively new release, but it's still nothing short of impressive this year. The Splendoress self-seal security #10 envelopes are a great product. They take a lick, and keep on sticking. The Envelopes are top quality and can easily be used in a laser printer. The paper is good quality and the sealing works really well. The adhesive strip is easy to peel and sticks very well.

These are thick and smooth if you want to use them to print on. The self adhesion envelops are awesome. It is easy to write on, and heavy enough to be easy to work with and the self stickum is peel off and very easy. The envelopes are thick and smooth if you want to use them to print on.

Why We Like This:

Great envelopes you don't have to lick
Excellent value, plus peel of adhesive works well
Less time consuming, easy to stick
Come in a box that fits them precisely

Best For short notes: Quality Park Size letter Envelope In inch

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If you are looking for a suitable envelope for your regular usage, you cannot go wrong with the quality park size letter envelope in inch. These Quality Park 6 & 3/4 inch envelopes obscure contents, and have a redi-strip closure, so no more licking or needing water sponge pens to moisten the glue on the envelope flap. They have a printed design on the inside, so that someone can't see the contents. The paper is thicker with a printed security pattern and a self-sealing feature. They come in a box with a clasp that you can close to keep them protected.

The peel tape is super useful, and it's a great shape for writing letters, which is apparently enough of a risk that security envelopes exist. It is easy to write on, and sealing in solid. The size is perfect for a check, or some bills.

Why We Like This:

Good envelope, great adhesion, nice weight of paper and good security
Easy to use and well-made envelopes
Security-tinted window and double-window envelopes to fit billing statements, paychecks and receipts

Best For any letters: sustainable greetings Size letter Envelope In inch

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Sustainable Greetings offers a variety of envelope for personal choice and yet maintaining quality in all the variants. These are lovely envelopes for slimline cards. Not only are they cute with their bright colors but the quality of the envelopes are superb. Each envelope in this delightful rainbow assortment measures 9.5 x 4.1 inches and features a smooth writing surface, making it ideal for easily customizing your message. The colors are vibrant, and the envelopes are sturdy. It is perfect for birthday cards or any letters.

The blank design allows for endless creativity in personalizing your mail, while the sturdy construction ensures your message arrives safely and in style. It is perfect for sending letters, holiday cards, greeting cards, invitations, announcements, and personal mail with an added color and flair.

Why We Like This:

Stick great, great color, and super sturdy
Big enough envelopes to fit a 4 x 6 recipe card
One of the new comers and featured product

Best For Check: Amazon Basics Size letter Envelope In inch

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They're definitely envelopes and lots of them, work fine. It can be used in inkjet printers. The envelopes are gummed near enough the ends of the envelopes to keep them fully closed. The glue has no taste and once the envelope is licked and sealed it stays sealed. The envelope is also a nice weight in the hand. The envelope is also used for organization's mailings and also for personal use. They work fine and are better at sealing than the self-adhesive ones.

Why We Like This:

Stamps and addresses are easily applied
Plain box of envelopes that work well for securing paperwork
Not too thin and work well
Lots of excellent quality (thicker) envelopes

Best For company: Mead Size letter Envelope In inch

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These envelopes are perfect for anything you could possibly need an envelope for. They work great with printer paper. To make matters worse, the glue allows the flap to be unpeeled without destroying the envelope, so if you are careful you can unpeel the flap, remove the contents, and reseal the envelope, all without leaving any sign that the envelope has been tampered with.

These security envelopes are convenient in that they are self-sealing, and secure in that it is very difficult and perhaps even impossible to see any outline of the contents when held up to a light. There's about an inch of space without adhesive on each side of the flap after you close it. The peel-off seal is a nice touch. It also works well and keeps the envelope sealed.

Why We Like This:

Good quality envelopes that you don't have to lick to seal
Very flimsy and don't hold up
Large enough to fit letters and bills

Best With address: Bubbley Size letter Envelope In inch

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Best part: bubbley size letter envelope in inch costs comparatively low and it is available to ship in 24 hours. These envelopes feature 6 pastel colors that make any piece of mail more cheerful be it an inquiry, a resume, a sales letter, a memo, or a simple greeting. They come in the colors purple, pink, ivory, yellow, green, and blue to help your messages stand out in a sea of white envelopes. It includes 120 pack of assorted business envelopes and features a gummed seal that’s perfect for a variety of uses.

These are ideal for sending marketing materials, tri-fold brochures, standard letter-sized documents folded in thirds, personal checks, small stationeries, and more. The colors are vibrant and the paper is just the right weight. It has glue that needs to be moistened.

Why We Like This:

Excellent quality that can be felt
A fun way to mail cards and letters
Colors are pleasing to the eye

Best For Pack: Keketer Size letter Envelope In inch

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The keketer size letter envelope in inch's high-end materials makes sure that it ages well with use. The #10 mailing square flap windowless envelopes are perfect for your office or home purposes. These are available in a wide variety of vivid colors to stand out wherever you need them to. The envelopes are perfect, beautiful and well made. They are perfect for mailing birthday cards or greeting cards, birthday party, baby shower, fundraiser or wedding invitations, letters, save the date cards & photos, personal mail and direct mail.

The #10 mailing envelope measures 4.125 x 9.5 inches, providing enough space for your mail and invitations use. It is made of 150 gsm superior paper with outstanding durability and sealing and it won't easily tear in transit.

Why We Like This:

Fun to send mail in these special colored envelopes
Good investment for long term

Best For Laser Printer: Juvale Size letter Envelope In inch

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The juvale size letter envelope in inch is capable of outshining several other envelope featured in this list in overall features for the price point. These are perfect for "bulk" mailing the standard #10 business envelopes. It is easy to seal the gum flap enclosure. The paper is of a low quality and warps easily with the slightest moisture, like when you moisten the gum seal on the flap or place a stamp. The brown color is a bit different than regular kraft paper.

These envelopes are sturdy and a good quality. It is ideal for business use, receipts, checks, letter, etc.

Why We Like This: