ProsourceFit Abdominal AB Mat 15” x 12” High Density Core Trainer Price: $19.99 (as of 05/10/2022 17:42 PST- Details)

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.