JAM Paper brown kraft open end catalog envelopes are made out of environmentally safe, 100% recycled paper! Each one features a commercial style flap opening and a dependable gum closure. Their natural, earthy brown color makes them great for any business or personal mailing purpose! Measuring 6" x 9" each in size, these envelopes are great for smaller papers, folded documents or forms, cards, announcements, and more! Use these envelopes to securely mail items from your home and office and to know you are saving some trees in the process! Details:Brown Kraft Paper Bag6" x 9" envelope size28 lb. weightOpen endCommercial flap with gum closureAvailable in multiple colors100% recycled paper