• Inflate the ball enough so that when you sit on it with your feet on the floor, your knees are parallel with or just above your hips.
• To make the exercises more difficult, add more air to the ball. The firmer it is the greater the challenge.
• Inflate it using the air pump provided and following the air pressure guidelines.
• Anti-burst technology
• Tested to exceed 1200 Kg
• Slowly deflates when punctured
• Includes foot pump