Heavy-duty view binder features improved one touch ezd locking rings that open with ease and keep pages secure. Gap-free ring feature prevents gapping and misalignment of rings. Organize and secure paper with four stacked pockets. Nonstick archival-safe material wont lift ink or toner off printed pages. Wide front and back binder panels fully cover standard dividers and sheet protectors. Pages lie flat with back-mounted rings. Rings hold up to 50 percent more than same-size round rings. Overlay material is made of crystal-clear polypropylene. Binder is made of heavy-duty pvc-free poly and 100 percent recycled chipboard and contains 40 percent post-consumer material.