Provides full range of motion while delivering comfortable, firm back and spine support and challenging your core muscles. Wide application: Supports training of the abdominal, back, and oblique muscles during crunches, leg raises, and situps, helping maintain stability and constant tension. Lumbar support: The arch design curves to the back for more effective core work while protecting the lower back and tailbone, providing stability and constant tension. Quality materials and design: Made from PVC and EPE, compact and comfortable for longterm use. Foldable design for easy storage and portability. Use scenarios Home workouts: Use during crunches, leg raises, and situps to improve form, protect the back, and enhance core engagement in a compact, comfortable pad. Gym or studio training: Integrate into core circuits to maintain stable posture and steady tension throughout abdominal and back exercises. Travel or on the go: Foldable and portable, suitable for hotel rooms, office spaces, or small apartments to perform quick core sessions anywhere.