Trigger point mbx ndash 2.5 massage ballnever have to pay out for a massage again with the deep pressure of the mbx massaging ball that will give your muscles the relieve they need.intense compressionthe extra firm eva foam provides an intense level of compression which will provide deep rooted relieve areas of great discomfort and weakness. The ball can survive under a great deal of weight and is suitable for repeated use with a design that wont break down. The mbx massage ball is recommended for use across most of your body includingupper body neck, arms, lats, side torso, chest, pecs, and upper back.lower leg psoas, flutes, hip, tibialis anterior, calf and foot.featuresdesigned for repeated usefoam surfaceeasy to cleandeep tissue compressionrelieves discomfort and tightnesssuperior firmnessweighs 1.4ozdimensions 6.5 x 6.5cmbuy trigger point training aids from chain reaction cycles, the world's largest online bike store.