Training Chair TRN01 Writing Pad Length - 23.5 Inch Writing Pad Width - 12 Inch Students sit most of the day, provide comfortable seating in your classroom or training room with these popular ergonomic chairs. These student stack chairs are favorable in classrooms due to their ergonomic seat shell and lightweight design to move easily around the classroom. The ergonomic comfort-formed shell has a waterfall edge to reduce leg pressure and an air-vented lower back. We consider this student stack chair to be the premier stack chair - essential for every school and classroom setting. After parent-teacher conferences or school events these chairs stack neatly up to 20 high and can be transported on our steel stack chair dolly.