Best Self Seal Greeting Card Mailing Envelopes in 2026

USES: Wedding Envelopes, Wedding Invitations, Event Invitations, Announcements, Holiday Cards, Greeting Cards, 5 x 7 Cards, 5 x 7 Photos, Letters, Mailings, Personal Mail, Direct Mail EVENTS: Weddings, Parties, Holiday, Corporate, Banquets, Showers, Birthday, Graduations, Sweet 16.

PAPER WEIGHT: 80lb Text Weight / 32lb Bond / 120 GSM - About twice as thick as Printer paper. Sturdy and durable thickness, not flimsy (For further explanation please refer to our paper weight chart below).

COLOR/STYLE: LUX Gold Metallic is a shimmery, rich golden color with a smooth finish. Metallic envelopes are perfect for any occasion from playful to formal. When printed on, Gold Metallic is best complimented by darker ink colors. Modern Square Back Flap. Best of all, this envelope features a Peel and Press sealing method - Simply remove the adhesive strip location on the inside of the back flap, and press down to seal your envelope. No need to moisten to seal your envelopes!

PERFECT FOR ALL OCCASIONS: If youÕre looking for an envelope for baby shower invitations, wedding invitations, holiday cards, pregnancy announcements, RSVPs, thank-you cards, and more, our square envelope is an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and 5Ó x 5Ó photos so you can depend on them for all your special mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesnÕt want to lick or use a moistener on every single envelope Ñ itÕs a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, youÕre in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.

PERFECT FOR ALL OCCASIONS: If you’re looking for envelopes for pregnancy announcements, RSVPs, thank-you cards, save the dates, baby shower or wedding invitations, holiday cards, and more, our A2 LUX Paper envelopes are an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and half-folded paper, so you can depend on them for mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes, you’re in luck! These envelopes are printable on commercial, digital, and off-set printing presses, so you can have your company logo and branding printed on them. No need to worry about smudging or jamming because these envelopes are made for compatibility with most commercial printer models.

Size: 5 x 5 Square Envelopes / 5 in x 5 in / 5" x 5" / 127mm x 127mm

Quantity: Pack of 50

Color: Holiday Red

PERFECT FOR ALL OCCASIONS: If youÕre looking for an envelope for baby shower invitations, wedding invitations, holiday cards, pregnancy announcements, RSVPs, thank-you cards, and more, our square envelope is an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and 5Ó x 5Ó photos so you can depend on them for all your special mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesnÕt want to lick or use a moistener on every single envelope Ñ itÕs a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, youÕre in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.

PERFECT FOR ALL OCCASIONS: If youÕre looking for an envelope for baby shower invitations, wedding invitations, holiday cards, pregnancy announcements, RSVPs, thank-you cards, and more, our square envelope is an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and 6 1/4Ó x 6 1/4Ó photos so you can depend on them for all your special mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesnÕt want to lick or use a moistener on every single envelope Ñ itÕs a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, youÕre in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.

SIZE: Currency envelopes measure 2 7/8 in x 6 1/2 in (73mm x 165mm).

CONVENIENT DESIGN: Pack of 50 square flap envelopes with no sealing method on flap.

PREMIUM ENVELOPES: Classic envelope for giving the gift of cash all year long. Perfectly sized to hold currency for donations, holidays, birthdays, company bonuses and more.

5 3/4 x 5 3/4 Square Envelopes - Navy - Pack of 50

Peel & Press Sealing Method

Size: 5 3/4 x 5 3/4 (in.)

PERFECT FOR ALL OCCASIONS: If you’re looking for envelopes for pregnancy announcements, RSVPs, thank-you cards, save the dates, baby shower or wedding invitations, holiday cards, and more, our A2 LUX Paper envelopes are an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and half-folded paper, so you can depend on them for mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes, you’re in luck! These envelopes are printable on commercial, digital, and off-set printing presses, so you can have your company logo and branding printed on them. No need to worry about smudging or jamming because these envelopes are made for compatibility with most commercial printer models.

PERFECT FOR ALL OCCASIONS: If you’re looking for envelopes for pregnancy announcements, RSVPs, thank-you cards, save the dates, baby shower or wedding invitations, holiday cards, and more, our A2 LUX Paper envelopes are an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and half-folded paper, so you can depend on them for mailing needs.

MOISTENABLE GLUE SEAL: These envelopes are designed with a traditional moistenable adhesive sealing method. Rather than licking individual envelopes, you can choose to use an envelope moistener, making it a huge time-saver! Simply moisten the strip of adhesive, apply pressure, and you’ll have the perfect seal. It couldn't be easier!

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes, you’re in luck! These envelopes are printable on commercial, digital, and off-set printing presses, so you can have your company logo and branding printed on them. No need to worry about smudging or jamming because these envelopes are made for compatibility with most commercial printer models.

A2 Contour Flap Envelopes (4 3/8 x 5 3/4)

Color - Midnight Black

Pack of 250

USES: Wedding Invitations, Event Invitations, Announcements, Holiday Cards, Greeting Cards, 5 x 7 Cards, 5 x 7 Photos, Letters, Mailings, Personal Mail, Direct Mail EVENTS: Weddings, Parties, Holiday, Corporate, Banquets, Showers, Birthday, Graduations, Sweet 16.

PAPER WEIGHT: 80lb Text Weight / 32lb Bond / 120 GSM - About twice as thick as Printer paper. Sturdy and durable thickness, not flimsy (For further explanation please refer to our paper weight chart below).

COLOR/STYLE: LUX Navy is a classic, deep blue colored envelope with a smooth finish. Perfect for any occasion from playful to formal. When printed on, LUX Navy is best complimented by white ink, or metallic silver or gold if you're feeling fancy. Modern Square Back Flap. Best of all, this envelope features a Peel and Press sealing method - Simply remove the adhesive strip location on the inside of the back flap, and press down to seal your envelope. No need to moisten to seal your envelopes!

PERFECT FOR ALL OCCASIONS: If you’re looking for an envelope for baby shower invitations, wedding invitations, holiday cards, pregnancy announcements, RSVPs, thank-you cards, and more, our A7 LUX Paper envelope is an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and 5” x 7” photos so you can depend on them for all your special mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.

USES: Wedding Envelopes, Wedding Invitations, Event Invitations, Announcements, Holiday Cards, Greeting Cards, 5 x 7 Cards, 5 x 7 Photos, Letters, Mailings, Personal Mail, Direct Mail EVENTS: Weddings, Parties, Holiday, Corporate, Banquets, Showers, Birthday, Graduations, Sweet 16.

PAPER WEIGHT: 80lb Text Weight / 32lb Bond / 120 GSM - About twice as thick as Printer paper. Sturdy and durable thickness, not flimsy (For further explanation please refer to our paper weight chart below).

COLOR/STYLE: LUX Blonde Metallic is a shimmery, light golden color with a smooth finish. Metallic envelopes are perfect for any occasion from playful to formal. When printed on, Blonde Metallic is best complimented by darker ink colors. Modern Square Back Flap. Best of all, this envelope features a Peel and Press sealing method - Simply remove the adhesive strip location on the inside of the back flap, and press down to seal your envelope. No need to moisten to seal your envelopes!

PERFECT FOR ALL OCCASIONS: If you’re looking for an envelope for baby shower invitations, wedding invitations, holiday cards, pregnancy announcements, RSVPs, thank-you cards, and more, our A7 LUX Paper envelope is an excellent option. These square flap envelopes are also perfect for direct mail, letters, postcards, and 5” x 7” photos so you can depend on them for all your special mailing needs.

PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, press, and seal. It couldn't be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes.

PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.