Features: 

• Material: PVC
• Modern and ergonomic design
• High quality, resistant and durable
• Non-slip surface with stimulation points
• Adjustable instability
• Includes hand pump
• Light, manageable and easy to use
• Work on strength and balance
• Strengthen core muscles
• Improve posture
• Ideal for the gym, home or office
• Easy to transport and store
• Approx. dimensions: Ø 33 x 5 cm