An exercise ball, also known as a Swiss Ball, is a ball constructed of soft elastic with a diameter of approximately 45 to 85 centimeters (16 to 34 inches) and filled with air. It is most often used in physical therapy, athletic training and exercise. It can also be used for weight training. The ball, while often referred to as a Swiss ball, is also known by a number of different names, including balance ball, body ball, ball, fitness ball, gym ball, gymnastic ball, physio ball, pilates ball, Pezzi ball, stability ball, Swedish ball, therapy ball, or yoga ball. SSBM offers fitness balls from 45cm to 85 cm, anti burst in nature and Made in Taiwan.