Gap Free feature prevents ring misalignment so pages turn smoothly. Back-mounted slant rings hold up to 25 percent more sheets than same size round rings and allow pages to lie flat. Four interior pockets store unbound materials so nothing gets lost. Easily identify contents with label holder. Maximum Capacity Range ("): 2 in; Sheet Capacity: 480; Color(s): Black; Binder Sheet Size: 11 x 8 1/2.