C-Line, a leading manufacturer of office supplies with a product line that features storage, identification and organization products, offers a range of Green office products for your storage and organizational needs. C-Line Coupon Sized Biodegradable 13-Pocket Expanding Files incorporate an additional additive that allows them to biodegrade in landfills. These coupon-sized expanding files are the perfect solution for holding, protecting and organizing coupons, recipes, notes, cards, and other small items. They are made of strong biodegradable polypropylene, which is durable, acid-free and water-resistant, and feature a drop-front flap closure for easy access. The front of the file has a clear-view pocket for inserting labels, titles or business cards. C-Line Biodegradable 13-Pocket Expanding Files have 12 tabs for quick view organization, and are available in an assortment of colors.