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Custom Mailing Envelopes

Custom Large Envelopes for Mailing

Use custom mailing envelopes for sending letters, folders, booklets, or other large items. Choose from popular sizes including 6x9, 9x12, or 10x13 envelopes. Custom large envelopes can be printed with a return address or other artwork. Select from black ink, one color, two color, or full color printing options. 

Shop for custom mailing envelopes and get free standard shipping! Ordering is easy! Just choose the oversize envelope you need, select printing options, upload artwork, and check out. You'll receive a PDF proof to review before printing. 

Not sure which envelope you need? The most popular mailing envelope size is custom 9x12 envelopes. With a flap on the short end, these large envelopes are perfect for mailing documents. The second most popular item is custom 10x13 envelopes. Choose this size if you're mailing folders or oversize documents.

Custom mailing envelopes are offered in many options. You can choose from Catalog style (flap on the short end) or Booklet style (flap on the long side). Options like self-seal, gum flap, or clasp, give you flexibility.

Sending sensitive documents? Choose custom large envelopes with a security tint inside. Selecting colored large envelopes instead of white can also help hide contents.

Know the specific size you need? Shop all 6x9 envelopes9x12 envelopes, or 10x13 envelopes. Not sure what you need? Contact us via email or live chat with any questions.

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