Ball chairs are charming, innovative, and ergonomic seating options for furnishing your office or classroom. Great for students of all ages and employees of all kinds, these mesh covered, exercise and medicine ball seats liven up any workspace with bold colors and creative design! Runtz ball chairs measure 12 inches in diameter, are lightweight, and are perfect for grade level classrooms, school libraries, preschools, and after school facilities. Zenergy ball chairs measure 17.5 inches in diameter, are also lightweight, and are best suited for reception areas, waiting rooms, public libraries and university lounge areas. Ball chairs tend to promote healthy back-posture, making them an excellent choice for additional break room seating or in working environments where physical fitness may not always be priority. Available in bubble gum pink, grass green, crimson red and licorice black, Vast Market's collection of ball chairs is sure to provide you with quality comfort and modern style.