JAM Paper® Parchment Natural Recycled A8 Invitation Envelopes measure 5 1/2 x 8 1/8 inches in size and are made out of smooth, 30% recycled, 24lb paper. This full and complete carton contains an even total of 1000 envelopes. Each envelope in this set features a light brown natural parchment color with a marbled appearance. These envelopes have straight flaps and reliable gum closures to keep the items placed inside of them secure as they travel though the mail. Certain to give any items mailed in them a unique and elegant appearance, these envelopes are great for A8 sized invitations, greeting cards, Thank You cards, and much more!