[Product Information]

• Provides a full range of motion that you can’t get from standard sit-ups， and isolates the abs for optimal workouts and results!
• Arch design naturally curves to the back， allowing for more effective core work while protecting your lower back and tailbone
• Great for those with lower back pain problems who want a safe way to continue strengthening their abdominal muscles.
• High density， durable foam gives comfort and the perfect amount of firm support for your back and spine while providing a challenge to your core muscles
• Dimensions: 15” x 12” x 2.5”; the compact design is one-size-fits-all and portable so you can carry it to the gym or even while traveling