Exclusive nonstick material ensures no ink or toner transfer from printed materials to clear overlay, pockets or panels. Locking EZD ring has up to 50% more capacity than the same size round ring. 1-touch ring opens, closes and locks in 1 easy step. Gap-free ring design prevents gapping and misalignment of rings. Back-mounted ring allows pages to lie flat. Easy-insert spine allows for quick and hassle-free loading. Now with 4 pockets for improved organization and storage. Holds 8-1/2" x 11" documents.