WHAT MAKES YES4ALL ABDOMINAL MAT THE ULTIMATE CHOICE HIGH-DENSITY MATERIAL: Constructed of high-quality soft foam with PVC cover Yes4All Abdominal Mat features medium firmness to accommodate most users and does not flatten tear and lose shape after repeated use. ERGONOMIC CONTOURED ARCH: The exercise mat comes with 30-degree arch to follow the contour of your back which is perfect to support your spine and lower back while doing rigorous ab exercises. EXTRA TAILBONE ATTACHMENT: No more interruption with the newest model on the market Attached tailbone pad helps to avoid chafing and burn for high-rep sit-up workouts and prevents the mat from slipping away during exercise. PORTABLE AND FOLDABLE DESIGN: Yes4All Abdominal Mat is a total fitness solution that offers more and costs little. Its lightweight portable features bring convenience for your daily workout routine. 2-IN-1 COMBO AVAILABLE: Aside from being sold individually the Ab Mat is also available in combos with Yes4All Dual Ab Wheel of 3 different colors (Blue Red Black) for extra variety versatility as well as increg efficiency during your training WITH OUR PRODUCTS THE POSSIBILITIES ARE ENDLESS Enable you to strengthen both smaller and larger muscles alike Help you work on your full range of motion increg flexibility Target the upper and lower abs oblique and lower back Prevent lower back pain and reduce injury risks Ideal for sit-ups stretching cross crunches leg lifts heel touches Increase variety and training efficiency with combos of Ab Mat and Wheel WARRANTY 1-year warranty and 30-day return (contact seller for more details)