Experience improved posture and relief in your back, neck, and shoulder muscles with the Sport-Thieme "Gymfit 36" Balance Cushion. Its specially designed shape encourages an automatic straight sitting position, providing a gentle but effective way to alleviate tension. The cushion's inherent instability demands constant, subtle adjustments from your body, engaging and strengthening your back and pelvic floor muscles without you even realizing it. For personalized comfort and to adjust the level of challenge, the cushion features an air valve that allows for easy inflation or deflation using a needle valve pump, making it highly adaptable to your unique needs.

• Specially designed for posture improvement and muscle relief
• Encourages an automatic straight sitting position
• Enhances back and pelvic floor muscle strength through constant instability
• Easy customization of inflation level with a needle valve air pump
• Ideal for office workers, students, and anyone spending long hours seated

This balance cushion is a must-have for anyone looking to enhance their sitting experience, whether at work, studying, or during any extended seated activity. It not only helps in maintaining a natural posture but also fortifies core muscles effortlessly.