
- Keep documents secure in these colorful project file jackets. Made of durable polypropylene, they resist spills and tearing while protecting your letter-size documents. The acid-free material provides archival-quality storage. File jackets are closed on two sides with a tuck flap closure for extra security. Opaque backs in five solid colors allow easy color-coding while the front is clear for easy file identification. Solid colors include red, blue, yellow, green and black.