Boldfit - Massage ball as acupressure tools and pain relief equipment is made from high quality plastic rubber blend that is durable and sturdy. Used as a possible physiotherapy ball the massager can help alleviate body aches providing the acutest kind of body care stress relief and nerve pain relief and relief from plantar fasciitis. The massager ball spike do not bend even after prolonged use after exercise sessions at the gym or home. All you need to do is use this as roller targeted for your body's muscles and tissues with an ergonomic design therefore it is a deep tissue massager.