10 x 10 Square Envelopes
If you need an oddly-sized envelope, you have come to the right place. Our 10 x 10" envelopes are some of the biggest square envelopes on the market. Use them to deliver oversized invitations, greetings, cards, letters, and more. For professionals, these envelopes are an impressive choice for mailing any sort of promotional material.
10 x 10" envelopes are sure to turn some heads. Available in bright white. Cellophane sleeves are also available but measure 10 1/16 x 10 1/16.