The old-world look and feel of parchment conveys a distinct element of ceremony to set your special documents apart from the rest. Premium, writing-weight stock is ideal for special certificates, awards, announcements, invitations and more. Full copier and printer compatibility ensures that all of your documents look professional. All Parchment Envelopes are acid- and lignin-free, so your correspondence can withstand the test of time, while remaining as distinguished and distinctive as it appeared on the day that it was delivered. Seam Type: Diagonal Flap Type: Commercial Trade Size: 10 Security Tinted: No.