EasySpine inserts make it practical to reuse binders, simply by changing the binder spine insert. These durable poly sleeves are pre-cut and insert easily into the spine of most 1" view binders for professional looking organization every time. Easy to customize, they`re compatible with any printer. Visit the manufacturer`s website and choose a spine template. Place the printed spine into the clear poly spine sleeve and slide the sleeve into binder spine. Simply change them as needed!. Spine Width: 1.00 in;