Unique overlay design allows you to use a single sheet of paper to create a custom insert that wraps around the spine to the front cover for easy insertion and quick identification 11” x 17” format is ideal for large spreadsheets, blueprints, engineering/mining/construction plans; quickly customize your cover using our free online design tool Ink transfer resistant clear overlay and interior front cover pocket; inside pocket helps to secure loose documents and allow for easy identification of content Made in Canada with PVC free polypropylene material; 100% recycled board with 85% post consumer waste 225 sheet capacity, locking angle D ring; back mounted rings allow pages to lie flat