Our "small" binder is plenty big enough to use as a handy, easy-to-manage "working" binder — just insert a week's worth (or two) of IG materials and you're good to go, wherever your studies take you! Sturdy construction, with poly-vinyl cover and powerful rings, and Sonlight logo on the binding. Includes Sonlight Index Sonlight resource: https://www.sonlight.com/products/binder-15-inch-with-tabs