10 Best Standard Mailing Envelopes of December 2025

• 10 business letter envelopes for home or office
• Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing
• Interior security tint for privacy; securely send checks, invoices, or other confidential documents
• Peel-and-seal closure; no moisture needed
• Product dimensions: 4-1/8 x 9-1/2 inches

Amazon Basics

• Rigid Mailers: Protect valuable art prints, photos, media, jewelry, and documents while shipping with these hard 6x8 envelopes
• Photo Mailers 5x7: The photo envelopes have an adhesive strip at the top to ensure contents remain inside while in transit; simply peel, seal, then press to adhere the two ends together
• Reliable Quality: Our white cardboard mailers are thick enough to protect your photos from bending and scratching; reduce the cost of shipping while simultaneously ensuring your items stay inside
• Dimensions: The rigid shipping envelopes measure 6 x 8 inches and can hold 5 x 7 photos; use stickers, logos, and stamps to customize the envelopes for your small business
• What's Included: You’ll receive 100 white rigid mailers to ensure you always have one on hand when needed

Juvale

• Package Includes: 50 pieces #10 envelopes(10 colors, 5 for each color); the flap envelopes of 4.13 x 9.49 inches can meet your daily needs;
• Material Quality: the colorful #10 envelopes are made of 110GSM paper; the thickness of the paper may vary slightly due to different colors but it doesn't affect your use; they're all the same, durable and don't fade;
• How to Make the Glue Work: If you want to stick it, you may only need a little water; when using them, wet the glue on the sealing area of envelope; Then fold the sealant and hold it for about one minute; this design also reduces the amount of garbage;
• Elegant: The smooth surface makes the envelope look more elegant; 10 colors: green, matcha, orange, purple, violet, yellow, white, pink, light blue, red; colorful envelopes will bring good mood to your friends; share your joy with your friends;
• Multiple Ues: Ideal for invoices, letters, checks, mailing letters, statements, bills, greeting cards, posters, Christmas holiday, thank you notes etc. they are also perfect for your birthday party, baby shower, weddings invitations.

Wishop

• Perfect for secure everyday home and business mailing. Our Security #10 Windowless Envelopes perfectly fit standard 8.5’’ x 11’’ paper sizes and other large documents. Easily fits invoices, letters, checks, and more.
• Provides complete mail security. No need to worry about others seeing your documents, our dark black security tint completely hides you mail.
• Just peel and seal to create a strong lasting seal without licking or moistening. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks.
• Easily print hundreds of envelopes with our low profile envelope design. Our Printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming. These envelopes are designed for both Laser and Inkjet Printers.
• Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper

Blue Summit Supplies

• ⭐ #6-3/4 SELF-SEAL WHITE ENVELOPES. These 3 5/8" x 6 1/2" inch self-sealing envelopes are designed to save your time and money. Helps you fly through mailings in record time.
• ⭐ SECURE. Just peel and seal to create a strong lasting seal without licking or moistening. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks.
• ⭐ WINDOWLESS DESIGN. Envelopes manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings.
• ⭐ WHITE 20LB STOCK. Perfect for everyday business use, these standard white envelopes are crafted of heavy, durable 20lb paper and securely holds hefty files during transit.
• ⭐ MULTI-PURPOSE. These envelopes can easily fit invoices, letters, checks, gift cards, etc. These envelopes can be used for virtually anything you need them for!

BAZIC Products

• 500 envelopes for business or personal use; security tinted interior for added document privacy
• Moisture-sealed v-flap design; made of premium 24-pound white woven paper
• Securely contains business checks, folded letter size documents, resumes or personal letters
• Dimensions: each envelope measures 4-1/8 by 9-1/2 inches (HxL)

Amazon Basics

• Mead press it seal it number 10 security envelopes, 45 envelopes per box
• White envelopes with self adhesive seal, Security lining for privacy
• Size: 4 to 1/8 inches x 9 to 1/2 inches

Mead

• SAVE TIME WITH SELF-STICK: Quality Park 10 Security Envelopes have a strong peel and stick closure that helps you fly through mailings in record time
• ENHANCED SECURITY: Offer the protection clients deserve; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text
• LESS YUCK: We promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required
• STORE MORE, LONGER: Redi-Strip envelopes have a longer shelf-life thanks to the peelable strip that protects your adhesive from dust
• AN EXCELLENT VALUE: Bright White 24-lb paper makes an impression for business mailings and personal correspondence; get 100 4-1/8 x 9-1/2 inch envelopes

Quality Park

• HIGH QUALITY & BULK PRICING - 24lbs high quality envelopes at a fraction of the price
• NO NEED TO LICK THE FLAP ANYMORE - Very convenient
• SELF SEAL ENVELOPE- Just peel and stick 4 1/8 in. x 9 1/2 in size envelop
• CAN'T SEE THROUGH ENVELOPES - Security printing pattern on the inside prevents from seeing what inside. Windowless envelope
• LONG LASTING SUPPLY - 500 count per box

Splendoress

• ✉️ 100 ENVELOPE PACK; these envelopes are manufactured with a WINDOW-LESS front panel for the perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 100-envelope pack
• ✉️ SUPER SECURITY TINT PATTERN; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing
• ✉️ QUICK-SEAL CLOSURE; our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing for any letter sized and larger documents without splitting
• ✉️ LASER AND INKJET PRINTER COMPATIBLE; premium construction measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for quick and easy addressing! Click the Orange Button to order now
• ✉️ ENVEGUARD TECHNOLOGY; in today's world where our health, privacy and security is so much threatened, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, at Aimoh we approve only the highest quality products, produced from the best and safest material on earth.

Aimoh