Includes an X-Firm Beastie massage ball, instructions and a detachable base. Model: BXA. Made in the USA.;Portable massage ball designed to work on smaller muscles. High-profile, optimally spaced bumps allow the deepest possible massage. Bump flexion is precision engineered.;Doesn't absorb sweat and retains its shape. X-Firm version is extremely firm; best for focused pressure. Latex and phthalate free.;Diametern. Raises the Beastialf inch higher to help with hard-to-reach areas. Keeps it from rolling foontrolled massage.;Holds the ball with one of the bumps itraight-up position for max muscle penetration. Can be used aall adapter.