Looking for the perfect envelope to invite guests to your black tie event? JAM Paper Black Linen Recycled A7 Invitation Envelopes are perfect for the task! These 5.25 x 7.25 inch envelopes are made out of 30% recycled linen paper. Each of these straight flap envelopes features a dependable moisture activated gum closure to keep items secure in the mail. These envelopes are the ideal size for invitations! They are great for greeting cards, letters, Thank You cards, gradation cards, and more as well. For smaller events, this pack includes 25 envelopes. Use them for any purpose and wow your recipients with their elegant and sleek appearance..25 envelopes per pack.Material: Paper.Paper weight: 32 lbs..Envelope flap: Straight flap.Size: A7 (5 1/4" x 7 1/4").Closure: Gum.Black.Add distinction and sophistication to any document or mailing.Envelope type: Greeting.Perfect for holding gifts, invitations, greetings, and announcements.Opening: Booklet.Finish: Linen.JAM Paper A7 Size black linen envelope in a pack of 25 has dimension of 5 1/4" x 7 1/4" and is sleek, stylish and attractive.