Wilson Jones Project Sleeve, Horizontal Orientation, 20 Sheets, Assorted Colors (W21568) Project sleeve is made of durable poly material to keep all your papers safe and dry. This versatile filer includes an adjustable labeling tab for easy titling and organization^Convenient project sleeve holds up to 20 letter size sheets. Poly material resists water and ink transfer. Adjustable tab to insert a label included^Horizontal orientation ideal for use with briefcases and laptop bags. Available in assorted colors