These protectors are 12x12 inch pages that fit all 3-ring albums. Includes 12 protectors, two each of 6 styles (12x12 full page, six horizontal 4x6 pockets, six vertical 4x6 pockets, nine 4x4 pockets, one 2x12 & five 4x6 pockets, and one 6x12 & three 4x6 pockets).