UniKeep 3 Ring Binder - Black - Case View Binder - 1.0 Inch Spine - With Clear Outer Overlay - Box of 20 Binders Clear poly overlay  Easily swap out inserts for long-term reuse Snap-locking rings that won't pinch, misalign, or rust  rings that will last for as long as youll need them Completely enclosed and durable  contents stay dry and dust-free; 1 and 1.5 binders feature a snap-locking latch Stackable and storable  the archival-safe way to transport and store your documents 100% curbside recyclable and made in the USA -- binders youll feel good about using