Fangrui Product Details Description: Massage Health Care. Long-term Exercise Is Good For Health. The Tentacles On The Surface Of The Ball Are Moderately Hard And Soft. Massage Your Skin, Stimulate Nerve Endings, Promote Blood Circulation, Relax Tense Nerves, And Enhance Body Flexibility. You Can Also Use A Small Massage Ball When You Have A Headache Rolling Gently On The Head Will Make You Feel Much More Comfortable; When You Have A Cold, Massaging Your Back Will Be Easier Than Just Massaging With Your Hands. A. Long-term Use Can Effectively Make Your Posture A Curve B. Suitable For Those Who Have Fat Lower Abdomen And Thick Hands And Legs C. While Exercising, You Can Massage Acupuncture Points On The Body To Promote Blood Circulation D. Long-term Exercise Can Promote The Balance Of The Brain And The Flexibility Of The Limbs Specifications: Material: Pvc Single Weight: 260g Size: Diameter 16cm Ball Height: 8cm Package Included: 1*massage Ball