Strengthen while you sit with the Learniture Easy Rock Stool. This active learning seat is designed to turn active bodies into active minds, making it a innovative and fun seating solution for individual desk work or productive group environments. When energy hits, you can stay focused thanks to the nonslip rounded base that supports up to 250 pounds and allows for rocking in any environment without disrupting the class. The 12" seat with a backless design encourages proper posture while strengthening core muscles just by sitting. Constructed with a durable polyethylene plastic shell, this rocking stool is easy to clean and withstands years of heavy-duty use. Additionally, the lightweight design provides easy mobility around the classroom or office and allows for compact storage after use.