JAM Paper Brite Hue Orange Recycled A7 Invitation Envelopes measure 5.25 x 7.25 inches in size and are made out of smooth, high quality, 24lb, earth friendly, 30% recycled paper. This full carton contains a total of 1000 envelopes. Each one features a straight flap and a reliable gum closure. If your sending out some mail that needs to get noticed by every recipient, these vibrant orange envelopes will not let you down! Their bright and eye-catching appearance will ensure that your mailings get seen! The size of these envelopes makes them ideal for standard sized greeting cards. Use them to send invitations, Thank You cards, and more!.Envelopes come in a large range of sizes to fit any letter or document, acid free, and made from water soluble dyes.For birthday, parties, wedding invitations.1000 envelopes per pack.Material: Paper.Acid free, archival, and made from water soluble dyes.Envelope flap: Straight flap.Size: A7 (5 1/4" x 7 1/4").Closure: Gum.Paper weight: 24 lbs..Envelope type: Greeting.Can use these as invitation envelopes to reflect the brightness and energy of your event, ensures that the color wont fade and envelopes will stay in good-as-new condition, theyre more eco-friendly.Finish: Smooth.Opening: Booklet.JAM Paper A7 Size brite hue orange recycled paper invitation envelope in a pack of 1000 has dimension of 5 1/4 x 7 1/4" and is perfect for greeting cards, invitations or other announcements.