The Kraft Flat Mailer features closure that is quick and easy to use. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 50 per case. Dimensions: 27". Manufactured from . 028 kraft chipboard. Peel and seal closure with pull tear-strip for easy opening. Light-weight to save on postage. No additional stiffeners needed. Sold 50 per case. Self-seal adhesive strip seals mailer securely and provides a tamper-evident closure. Convenient pull tab tear strip allows for easy opening without damage to contents. Items remain flat during shipment without the added expense of additional stiffeners. Recommended for shipping photos, artwork or important documents. Lightweight to save on postage. 100% recycled. Made from strong . 038 kraft chipboard. QuickStrip closure is quick and easy to use - simply remove strip and press to close. Rigid chipboard construction protects contents from bending and crushing. Convenient tear-tab opens easily without harming contents. Lightweight mailers reduces postage costs. Staples Tab-Lock Kraft Flat Mailers are strong to protect photos and documents during shipping.