The colors included in this pack are teal, dark green, dark orange, dark red, and burgundy. Each color is represented by 25 envelopes within the pack. To keep items secure in the mail, each of these envelopes features a moisture activated gum closure. Their size makes them ideal for folded documents, business letters, personal letters, and much more! Use them to send colorful yet professional mail from your office or home! Details:Includes an assortment of colors4.125" x 9.5" (#10) 125 envelopesFeatures a rectangular straight flap closurePaper