Product description Size: base diameter 6.5cm, ball diameter 5.5cm, height 5.8cm Color: green, pink, blue Material: Resin Package content: 1* massage ball 1.ELIMINATE MUSCLES SORE AND ACHINGGreat for professional or home uses. This roller ball is designed to reduce sore head, shoulders, neck, upper back, arms, legs and relieve foot pain. Widely used on your body 2.IMPROVE BLOOD CIRCULATIONPoor blood circulation can lead to a variety of health concerns. Massage is a great way to improve your health by enhancing blood circulation. It will finally enhance blood flow and improve body function 3.STRESS RELIEFRelaxation and great stress relief. Relieves stiffness and muscle soreness after a long day. Speeds up recovery of aching muscles in deep sleep 4.360 DEGREE SPINThe massage ball can roll 360 degrees so that you can easily put it on the paining areas and glide it in any direction you want 5.QUALITY MASSAGERThe roller ball is a quality massager.It is made of high level materials which are durable and compact. They are safe on skin and no need worry about harm or trigger allergic reations