Deep Tissue Massage Ball Set for Myofascial Release, Yoga, Mobility, Trigger Point & Physical Therapy IMMEDIATE BENEFITS: Many people tell us in their reviews they experience an immediate difference. That's because really good acupressure / myofascial release works very quickly to heal and rejuvenate your body. EFFECTIVE: These massage/yoga balls will penetrate and release soft tissues much better than a foam roller. Using 2 balls together allows you to apply bilateral pressure around body structures (great with our Body Track tool). Start rolling out and melting away your muscle knots today with the best myofascial release balls. YOGA & MASSAGE RECOVERY: Massage Track massage balls are ideal for deepening your yoga practice, prenatal massage, sports massage and recovering from injury. They're a great complement to or replacement for tennis balls and regulation lacrosse balls. UNIQUE: Includes four sets of custom-designed massage balls: 2 gray Very Firm massage balls - great for lower back, calves and arms, also highly recommended for athletes, 2 green Firm massage balls - good for more sensitive areas such as upper back, 2 blue Soft massage balls - for sensitive parts, 2 blue Very Soft massage balls - for injuries and trouble spots. All balls are baseball-size and made from polyurethane. YOU'LL BE HAPPY - WE PROMISE. 100% Satisfaction Guarantee - if our massage tools don't meet your needs, let us know and we'll provide a full hassle-free refund or send you replacements.