Sooth sore muscles with the Evoke HS1004675 massage ball. Whether a strenuous workout or long day at your desk has you feeling tense, this massage ball can help ease tight muscles. This sturdy 3.5-inches ball features a textured surface that provides targeted relief. Use it to tackle tough knots in your shoulders, pecs, calves, hamstrings, glutes, neck and back. Simply toss this compact massage ball into your sports bag for go-to relief when life keeps you moving.