DONGSHEN QUALITY GUARANTEE - Our massage balls are strongly recommended and widely used by doctors, physical therapists and athletes. If you have any questions, please contact our customer service. We will contact you within 24 hours. BEAUTIFUL PACKAGING - The box contains 1 suction cup, 1 large massage ball, 1 small massage ball, 1 instruction manual. Our 2 in 1 massage ball set is specially designed for those who seek deep tissue massage, myofascial and trigger point release.The exquisite packaging can also be the best gift for family or friends. THE BEST SELF-MASSAGE EQUIPMENT - without any help, enjoy the massage you deserve! With essential oils or lotions, concentrated massage on any specific area of the body,including back pain,foot pain,neck theracane, shoulders theracane. The massage ball can rotate 360 °, so you can easily place it on the painful area and slide it in any direction you want. EASY TO USE - different from lacrosse ball, peanut ball, foam roller massage set, Dongshen 2 in 1 massage ball adopts removable design, suction cup can be installed on smooth sealing surface, such as metal, plastic, laminate and glass, etc.Note that general painting walls cannot be absorbed. You can use massage rollers to relieve muscle pain without lying on the ground.(Please refer to the detailed installation instructions of the massage ball in the package.). ELIMINATE MUSCLE FATIGUE - Before or after strenuous exercise or long hours of work, rolling our massage balls on the body can help release myofascial pain, eliminate muscle knots, and reduce inflammation and strain on soft tissue trigger points.Very suitable for professional or family use.