This fat mat can be used as a substitution for the mat on your flat bench. It is wider, longer, thicker while the foam is denser. The thick pillow has many advantages, so it becoming more and more popular among users.Body posture improves, reducing and eliminating muscle inflammation in the shoulder ring and chest, shoulder and biceps tissue are less exposed to wear.You can use the fat mat on any KingsBox flat bench, furthermore it is also compatible with other manufacturers’ benches.