Slide documents into these colorful sleeves to organize your projects Polypropylene stock protects contents from dirt and moisture. Open on the top and side with a side tuck flap that locks pages safely inside. Solid color back for color coding, clear front for easy viewing of contents. Acid-free, archival quality. Available in clear or translucent 5-color assortment: red, blue, yellow, green and black. Smead File Folders part of a large selection of office supplies. Smead (R) Inndura Poly Project Jackets, Letter Size, Assorted Colors, Pack Of 5 is one of many File Jackets available through Office Depot. Made by Smead.