Double hinged cover takes up to 20% less shelf space than traditional binders. ‘’Quick Load’’ D Ring saves time. Create and save custom label inserts at www.QuickFitBinders.com. Commercial grade vinyl. Thick heavy gauge inner board. Back mounted rings allows binders to open flat. No ink transfer vinyl on 2 inside pockets. 48%/43% recycled/post consumer content. 4” and 5” binders feature locking rings.