This primary chart pad has white newsprint ruled on one side and two-hole punched pages that are glued and attached to a heavy chipboard back. 1" ruling on each page. 100 sheets per pad. Horizontal Orientation. Book/Pad Binding Type: Glued Book/Pad Binding Edge: Top Book/Pad Sheet Size: 36 x 24 Book/Pad Subjects/Sections: 1.