The flexible seat keeps you comfortable in a variety of postures and swivels to keep sightlines open between student and instructor, whiteboard, and other students Open seat design offers easy access, while arms serve as backpack hooks Comfort without upholstery means easy maintenance Base keeps backpacks and valuable personal belongings off of the floor In high-density classrooms, students are often forced to move against the wall and the Node mid-back supports active learning, while minimizing contact Optional personal worksurface accommodates both left and right handed users and swivels in tandem with seat and is adjustable for users of all sizes Casters lend mobility for quick, easy transitions Durable and tough enough to support up to 300 lbs Shipped in three simple parts (base, seat shell and worksurface-if ordered) that assemble in 30 seconds without tools, really