*Peanut Massage Ball for Muscle is great for Physical Therapybefore or after Exercise, Yoga, and Massage Therapy. FoamMusclePeanut Massage Ball helps to relieve Muscles Tensionand increase Muscle Reflexology.* Foam Exercise PeanutMassage Ball Helps Prevent Muscle lnjury - Perfect forPositioning, balance, postural and muscle re-education, spinalstabilization, body awareness and coordination, ranging andstrengthening activities.* Extra Firm Gym Peanut Massage Ball-Molded polypropylene