Best Wedding Business Envelopes in 2026

Box of 100 windowless #10 security envelopes with a Redi-Strip peel and seal closure

Security envelopes have a special security tint pattern that obscures what's inside; ideal when you're sending more sensitive material through the mail

Self seal envelopes are quick, easy and more clean and sanitary than gummed envelopes; with a Redi-Strip closure, just peel off the strip and press closed for a secure seal; no moisture needed

#10 business letter envelopes for personal or professional use

Includes 500 #10 envelopes made of 24-pound standard white woven paper for quality and strength; no tint

Moisture activated gummed closure ensures a secure seal

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

500 PACK SELF SEAL BUSSINESS ENVELOPES：HERKKA #10 Security envelopes are designed with Peel & Seal closure—no moisture needed and a premium security tint to protect sensitive information and a super strong SELF-SEAL strip.perfect for home or office; securely send checks, invoices, or other confidential documents.

PREMIUM SECURITY TINT PATTERN: The interior of our #10 Security envelopes use a dark navy, heavy coverage security tint to provide guaranteed privacy for your legal or business mail, offer the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.

PERFECT FOR CHECK PRINTING DESIGN: HERKKA envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office. Perfect for quick, mass business mailings.

Country Of Origin : United States

Heavy 24Lb White Paper - Made In Usa

Package Weight : 6.1 Lbs

💌 Color: Sage Green Envelopes, 120gsm good quality paper.

💌 Size: 5.3 x 7.4'' about 135 mm x 195 mm. (Fit for 5x7'' invitation cards, and fit for each invitations kits in our store )

💌 Package included: 50 pieces Sage Green luxury envelopes + 50 Gold Seals. (Envelopes can be sealed by the moistenable glue strip on the back flap)

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.

#6 3/4 SECURITY TINTED SELF SEAL ENVELOPES; want the very best in secure, security-tinted envelopes with a super strong self-seal? Aimoh's No. 6 3/4 Security Envelopes combine durable, printer-compatible paper, a security tinted design and strong self-seal QUICK-SEAL for the best #6 3/4 security self-seal envelopes on the market

SUPER SECURITY TINT PATTERN; #6 3 / 4 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure personal mailing while protecting sensitive information

100 ENVELOPE PACK; these envelopes are manufactured with a WINDOW-LESS front panel for the perfect choice for Personal Checks, home offices and everyday use, No. 6 3/4 Security Envelopes are provided in a 100-envelope pack

#10 SINGLE WINDOW SECURITY ENVELOPES; forget cheap, thin envelopes that allow contents to be easily read, our #10 Security Envelopes are premium quality, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information

ULTRA STRONG QUICK SEAL; manufactured with ultra strong, quick seal adhesive, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, thicker documents

EASY READ SINGLE WINDOW; perfect for bulk mailing, each envelope has a premium, extra large, easy read 4-1/2 X 1-1/8 poly-window, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past

VALUE SECURITY ENVELOPES PACKAGE - Package includes 120 PCS self seal #10 security envelopes with larger size of 4-1/8 x 9-1/2 inches which can easily get your large documents, pictures, photos, files, papers or other items organized and shipped safely.

HIGH QUALITY & FINE WORKMANSHIP - Say goodbye to the security envelopes in cheap quality. Here our #10 self seal security envelopes are made of high quality material with fine workmanship to keep the envelopes stay flat during the mailing time, safe mailing without causing any damage.

ULTRA STRONG SELF SEAL CLOSURE - The #10 security envelopes are with strong self seal tape closure to offer a ultra strong sealing performance and keep the inside documents safe, not easy to open or tear even shipped in the most Violent Express, providing the max safety.

Seal In Seconds - These easy close self stick envelopes keep your mail secure and sealed conveniently. There's no need to lick, glue, or tape, These regular Mead envelopes peel and seal with secure adhesive.

SECURED ENVELOPES - Make it impossible for prying eyes to read your sensitive information. With its thick and opaque material, these standard #10 envelopes keep contents completely hidden from outsiders.

Windowless Design - Best for legal and business mail, these plain White letter envelopes are designed without any see-through panels for privacy. The solid surface makes it easy to print labels and addresses.

1.Dimensions-Measures4.125x9.5inches.Colour：Brown

2.Convenient self-sealing closure: self-seal envelopes have a self-adhesive seal that simply peels off to form a complete, secure seal across the width of each envelope, more convenient than ordinary wet and sealed envelopes, saving your time.

3. HIGH QUALITY MATERIAL :Reject the cheap paper material! All the #10 Business envelopes are made of high quality 120GSM paper to keep the cards, papers or documents stay flat all the time, no any damage and curl, the envelopes are made to last.

✉️ PREMIUM SECURITY TINT CHECK ENVELOPES: Ultra Secure security tint pattern - Double Window Security Tinted Check Envelopes

✉️ PERFECT SECURE DESIGN: Measures Perfectly 3 5/8 inch x 8 11/16 inch to prevent checks from sliding and moving unlike others on the market, securing sensitive information to remain hidden even through the two windows

✉️ QUICK-SEAL SELF SEAL STRIP: Aimoh’s Double Window Security Tinted Self Seal Check Envelopes uses a premium adhesive peel and seal designed strip to create a strong, secure self-sealing seal

500 PACK SELF SEAL ENVELOPES: HERKKA No9 Security envelopes are designed with Peel and Seal closure-no moisture needed and a premium security tint to protect sensitive information and a super strong SELF-SEAL strip. Perfect for home or office; securely send checks or other confidential documents.

PREMIUM SECURITY CHECK TINT ENVELOPES: The interior of our No9 Security envelopes use a dark navy, heavy coverage security tint to provide guaranteed privacy for your legal or business mail, offer the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.

DOUBLE WINDOW DESIGN: Only sender and return address will show on your QuickBooks invoices and monthly bills through our unique 2 window . No show of memo, Payee line or amount in windows. Perfectly fits QuickBooks Invoices and business billing statements.

DOUBLE WINDOW SECURITY ENVELOPES; tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing invoices, statements, standard business & legal documents, with super strong SELF-SEAL strip and tinted security patterns

TINTED SECURITY PATTERN; perfect for mailing invoices, statements, standard business & legal documents and sensitive correspondence, our #10 Envelopes are printed with a secure tinted pattern, easily obscuring numbers and data for premium, added security compared to other cheap envelopes

DUAL WINDOW DESIGN; easily read dual windows for everyday business mailings to easily display postal addresses. Each envelope contains two front windows, a 1" X 3-1/2" top window positioned 1/2" from the left and 2-1/2" from the bottom and the bottom 1-1/8 X 4" window is 1/2" from the left and 3/4" from the bottom

#10 SECURITY ENVELOPES:Our #10 double window envelopes can easily read dual windows for everyday business mailings and postal addresses. You can use business mailing envelopes for sending invoices and checks. It's the perfect for secure business mailing, invoices, billing statements, checks, everyday home and other business mail.

DOUBLE WINDOW ENVELOPE DESIGN: Envelopes with dual window allows sender and recipient address to show through our unique 2 window, secure envelopes suitable for everyday business, legal mailing, and business billing statements while protecting sensitive contents and information.

PREMIUM SECURITY TINTED PATTERN: #10 Security envelopes are designed with a premium security printed design to provide guaranteed privacy for your legal or business mail, offer the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.

Kraft invitation envelopes: These #10 envelopes feature a kraft brown color; the #10 mailing square flap windowless envelopes are perfect for your office or home purposes

High quality: Made of 150 gsm superior paper with outstanding durability and sealing and it won't easily tear in transit

Convenience to use: Wipe a little water to wet the sealing area of envelope, fold sealant and hold it for a minute. More environmentally friendly than Self-seal envelopes

#10 SECURITY TINTED SELF SEAL ENVELOPES; forget cheap envelopes that easily split and aren't suitable for secure mailing, our #10 envelopes are designed with a premium security tint to protect sensitive information and a super strong SELF-SEAL strip, perfect for larger documents

PREMIUM SECURITY TINTED PATTERN; our #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, perfect for secure business and legal mailing while protecting sensitive information

WINDOWLESS DESIGN; envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings

Featuring a super-strong self-sealing adhesive strip, the envelopes letter size is built to withstand the rigors of transportation without opening or tearing. The powerful adhesive strip is a key element in ensuring the safe delivery of important items and information.

With its advanced security pattern, the #10 security mailing envelopes is the perfect solution for commercial and legal mailings, providing added protection for sensitive information.

The #10 envelopes (security envelopes peel and seal) also features a windowless design, allowing for easy printing, labeling or handwriting of addresses, making it both convenient and efficient.

Product SKU: SOUR14I10L

Coordinated stationery

100% cotton stock

Get a jumbo box of 500 Columbian self seal #10 envelopes (4-1/8" x 9-1/2") each with a security tinted interior and easy peel off Release & Seal closure

These self seal envelopes have a Release & Seal peel strip; peel off the paper strip and press down for a permanent seal; it's simple, clean, and sanitary with no moisture required

Security envelopes have a strong security tint pattern so you can't see what's inside; ideal for obscuring more sensitive information and protecting critical documents

FULLY CUSTOMIZABLE DESIGN - Our box of #10 self-seal envelopes offer complete customization options. You can add your logo, business information, and any detail you desire. A must-have envelopes letter size to represent your brand professionally

VERSATILE COLOR OPTIONS - Whether you prefer a vibrant splash of color or a classic solid shade, our business envelopes self seal #10 come in a wide range of colors to suit your style. Choose from our extensive palette to make a lasting impression

WINDOWLESS DESIGN - Tailor your envelopes to your needs. Windowless envelopes are ideal for privacy and compliance. It allows for flexible addressing options and streamlines the mailing process, saving time and maintaining a professional appearance