TOPS Cardinal XtraLife ClearVue Non-Stick Locking D-Ring Binders feature an extra-strong cover is which is archival safe. These durable reference binders are made from a unique XtraLife polyolefin material which will not stick to materials stored inside, including photos, laser prints and photocopies. Much stronger than standard vinyl, XtraLife binders have a limited 1-year guarantee provided by manufacturer against seam splitting and hinge tearing and are cold-crack safe to -50° Farenheit. In addition, the crystal clear overlay on the cover allows you to insert title sheets to provide a professional looking binder for any presentation. Simply use your PC to design and print your own custom cover pages, or download a free pre-formatted template at www.CardinalBrands.com/support. Each binder features premium GelTab triggers which make it comfortable to operate, a sheet lifter for easy closing, and locking Slant-D shape rings which hold 25% more material than standard round rings. Cardinal XtraLife ClearVue Non-Stick Locking D-Ring Binders contain a minimum of 50% recycled content (by weight). You can count on TOPS high quality loose leaf products for trusted, professional, solutions for your workplace and workday!