Avery Flip Back 360 Degree Binder with 1 Inch Ring, White, 1 Binder (17580) 360 degree Gap Free Round ring folds back like a spiral notebook 1 Inch ring holds up to 175 sheets Four interior pockets provide quick access to unbound papers Folds flat for taking notes Vinyl Four interior pockets provide quick access to unbound papers Folds flat for taking notes 360 Gap Free(TM) Round ring folds back like a spiral notebook 1" ring holds up to 175 sheets Tear-resistant Material - Vinyl