Product Specification: 0.5kg, 0.38kg color: blue Material: TPE Package content: 1*foot massage ball 2*round massage ball 1.Foot Roller Reflexology Massage Both the massage roller and the spiky balls can relieve plantar fasciitis and can be used on hands, forearms, shoulders, back, feet, thighs, etc. They have a stimulating effect and promote blood circulation throughout the body 2.Flexible Tips This updated castor set is equipped with flexible tips and circular ridges that not only can do acupressure deep tissue massage to comfort tired feet or relieve arch pain relief in plantar fasciitis, but also friendly to some sensitive feet. 3.High quality production materials The materials of the set are made of environmentally friendly materials, which are safe, non-toxic and harmless to human body, and have passed national product safety tests. Does not cause allergic reactions to the skin. 4.Suitable for relaxing the body muscles The massage kit can help in yoga and fitness training, relieve pain in all muscle parts of the body instantly, increase flexibility and avoid short-term pain. During the healing process, this can increase blood flow and bring oxygen and nutrients to the muscles for faster recovery. 5.Multi-function Massage ToolFoot Roller is Ideal for massaging all areas of the foot, Heel, arches toes. Relieve a range of foot ailments including plantar fasciitis. Spiky Ball can be used for all body parts including feet, back, neck, legs, hands, arms, glutes, hamstrings, thighs, chest & much more