DURABLE POLY MATERIAL FOR DAILY USE – Made from premium polypropylene that resists tears, bends and moisture, these file guides hold up better than standard paper guides in busy office or classroom environments. COLOR-CODED FOR QUICK ORGANIZATION – Includes bright blue, green, yellow, magenta and strawberry guides that help users visually sort documents fast and reduce filing errors. PREPRINTED A–Z TABS FOR EASY INDEXING – Top tabs feature bold alphabetical headings so you can quickly find client names, student files, project folders or personal records without searching. LETTER SIZE WITH 1/5-CUT TABS – Designed to fit seamlessly inside letter-size file folders, hanging file folders and filing cabinets for efficient everyday document storage. COMPATIBLE WITH PENDAFLEX HANGING FOLDERS – Works perfectly with Pendaflex hanging file folders, making it easy to build a dependable, color-coded filing system from the bestselling file folder brand in the US with a 100+ year legacy.