Transparent, moisture-resistant polypropylene envelope keeps materials neat & clean. Horizontal, file-style orientation makes inserting & removing documents easy. Full-sized, open-top back pocket provides convenient quick-access storage space. Durable elastic string & riveted button closure is designed for heavy use. Number of Sections: 1; Tab Cut: Untabbed; Size: Letter; Punched / Unpunched: Unpunched.