About This PREMIERE TRAINING TOOL: Maximize workouts when adding this ZIVA core-fit ball to your home, gym or office. Perfect for strengthening the core muscles, and improving balance. It can even help improve your posture when you use it as a desk chair. EASY-TO-USE: Durable, anti-burst construction ensures safe and easy targeting of the torso and core musculature. Use this body exercise ball for different types of workouts such as chest presses, crunches, pikes, planks, and squats, and more! AGILE EXERCISE BALL: When you need to take your core training to a new level, you can’t go wrong with this core-fit ball. Easy inflation and deflation make non-traditional exercise and unstable training options both accessible and portable. THREE SIZES AVAILABLE: 55cm (fit for 4’8”to 5’3”), 65cm (fit for 5’4” to 5’10”), 75cm (fit for 5’11”to 6’4”). Air pump included, inflate easily and portable. THE ZIVA DIFFERENCE: It’s the ZIVA difference stemming from a bold dream, a mountain of Taoist philosophy and so much love and dedication that has expanded our global fitness brand into more than 80 countries. Experience the Zen now. Overview Brand : ZIVA Material : Synthetic Color : b) 65cm