Best Self Seal Greeting Card Mailing Envelopes in 2026

Card Envelopes 4x6: Use this bulk pack of colorful envelopes for a themed event and use stamps, paint, glitter, stickers, markers, or ribbon to customize them to match any occasion

Multi-Purpose: The cute A6 envelopes are ideal for mailing photos, thank you notes, holiday cards, greeting cards, invitations, graduation gift cards, and letters

Reliable Quality: Our square envelopes are made from high-quality 120gsm thick brightly colored paper that won’t easily rip or tear in transit; the envelopes feature a self adhesive tape for easy sealing

Kraft A4 Invitation Envelopes: Measures 4.2 x 6.2 Inches; Pack of 50

High Quality: Classic flap envelopes are made with natural Brown fibers, designed to give each envelope a sleeker and more elegant feel

Easy to Seal: Simply peel and stick

Half Fold Blank Notecards with Envelopes: This is a value pack of 100 high-quality kraft Envelopes and 100 kraft half-fold paper

High Quality: These envelopes and cards are made with brown kraft paper, designed to give each envelope and card an elegant feel; each card is pre-scored and made of heavy weight card stock

Self Sealing Envelopes: To seal simply peel and stick the upper flap of the envelope securely down to the body of the envelope

Card Envelopes 5x7: Use this bulk pack of colorful envelopes for a themed event and use stamps, paint, glitter, stickers, markers, or ribbon to customize them to match any occasion

Multi-Purpose: The cute A7 envelopes are ideal for mailing photos, thank you notes, holiday cards, greeting cards, invitations, graduation gift cards, and letters

Reliable Quality: Our square flap envelopes are made from high-quality 120gsm thick colored paper that won’t easily rip or tear in transit; the envelopes feature a self-adhesive tape for easy sealing

A7 Invitation Envelopes: These elegant envelopes feature a shimmery gold foil lining with a square flap closure

Peel and Stick: The 5x7 card envelopes are easy to seal; simply peel and press

Multi-Use: These peel and press envelopes are great for mailing holiday cards, greeting cards, invitations, announcements, cards, photos, letters, personal mail, and direct mail

Glassine Envelopes: Save time and money with this set of A7 vellum envelopes; the sleek transparency will instantly add elegance to your postcards, wedding invitations, or birthday cards

For Any Occasion: Use these transparent envelopes to hand out festive holiday cards, announcements, photos, graduation gifts and letters to friends, family, and colleagues

Keep Your Letters Safe and Sound: The 5x7 vellum envelopes are made from 120gsm vellum paper and features a durable peel and press square flap closure to help keep your letters and invites secure

High Quality Envelopes: Each envelope is made of high-quality transparent vellum paper stock for elegance and extra durability

Self Sealing: Simply tear off tape and stick

Multiple Uses: Great for mailing holiday cards, greeting cards, wedding invitations, photos, announcements, thank you notes, photos, letters, personal mail and direct mail