ITEM NAME:Abdominal Exercise Mat Sports Pad Lower Body Protection Coccyx Durable Description: 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. Specification: Material: PU Leather, EPE Sponge Size: 36 x 30 x 7cm/14 x 11.8 x 2.8inch Package Includes: 1 Piece Abdominal Ab Mat SKU: ALU0001800165004213.Great for those with lower back pain problems who want a safe way to continue strengthening their abdominal muscles. 1 Piece Abdominal Ab Mat. Arch design naturally curves to the back, allowing for more effective core work while protecting your lower back and tailbone.