... . Gym Ball/Exercise ball/Fitness ball/Yoga ball/Pilates ball/Swiss ball/Fit ball; regular gym ball; Description: Gym ball, other names, like swiss ball, fitness ball, exercise ball, yoga ball, workout ball, stability ball ... outdoors; Package: as per customers request; Usage: Enhance balance and coordination of core muscles; Strenthen and tone abdominal, chest, thigh, leg ...