SSBM White Rigid Mailers 12.75" x 15" 100 Pack Self-Sealing Mailers for Shipping Photos and Flat Materials

Thickness: 28 pt. Available in case quantities. Self-sealing adhesive strip. Tear strip for easy opening. No tape or stiffeners needed. Light-weight to save on postage. Postage savings due to light weight. Ink, self-stick stamps and labels adhere easily.