Ampad 24038 Flip Charts, Unruled, 20 x 25 1/2, White, 50 Sheets (Pack of 2) Flip chart pad punched at top with pin-hole perforations. Flip chart pad has holes punched at top to fit easels and pin-hole perforations to prevent premature sheet separation. The pad contains 50 white sheets made from 40% post-consumer content.