Features： 1、REDUCE PAIN: Designed to help relieve back pain, especially for those suffering from herniated discs. It helps to stretch and decompress the spine, providing relieving from pain and discomfort. 2、4 LEVELS: Comes with 4 levels, allowing you to adjust the strength of the stretch according to your needs. for those who want to start with a gentle stretch and gradually increase the strength. 3、PLATES: With supporting plates that help you to practice and improve your waist strength. for those who want to strengthen their core muscles while also relieving back pain. 4、STURDY: Made from PP, magnet, NBR, durable and built to last. It is sturdy enough to support your weight and can withstand the wear and tear of daily use. 5、APPLICATION: Improve bending, hunching and body adjustment. It is portable and easy to use, making it for use at home or while travelling. Specification： Item Type: Back Stretcher Material: PP, magnet, NBR Package List： 1 x Back Stretcher(include the upper and lower 2 supporting plates) 1 x Sponge Strip