The Standard Ball attachment is specifically designed for overall use on both large and small muscle groups. With a smaller shape and higher impact level than the Dampener, it is a more targeted option for overall use and is your go-to attachment during a workout. Made of comfortable closed-cell PU foam. Easy to clean for a hygienic experience. Won’t absorb sweat, lotions, or oils. Compatible with PRO, Elite, Prime, mini, G3PRO, G3