Globe-Weis/Pendaflex Poly Zip Files, 15 Letter Size, 5 Check Size, Assorted Colors (84200) Great for office, school, and home Water-resistant 1-inch expansion with zipper closure 15 letter-sized zip envelopes and 5 check-sized envelopes (20 envelopes total in this pack) Assorted colors: blue, pink, green, black, orange