Avery Heavy-Duty View Binder, White with 3-Inch One Touch EZD Rings, 11 x 17 Inches, 1 Binder, White (72123) Great for storing large school artwork, blueprints, financial spreadsheets and more One Touch EZD locking rings open with ease and keep pages secure EZD rings hold more than same size round rings Clear window lets you customize your binder Cover material is PVC-free polypropylene