High quality material: Made of high quality PP and stainless steel beads, soft texture, no damage to the scalp, no fading, not easy to break, manual operation, no electricity required, therefore no electromagnetic radiation. Design features : Unique ball design, can roll freely, not easy to loosen, can be used for a long time, relaxes the scalp, eliminates tension, increases blood circulation in the scalp, non-slip handle design is easy to hold, easy to use, easy to clean, suitable for all parts of the body . Take it with you: The size of the scalp massager is very portable. You can easily put it in bags and backpacks, take it with you, massage your scalp anytime, anywhere, no batteries or charging required, perfect for home or office travel. Healthy and comfortable: Continuous daily use can the Improve sleep quality, relieve fatigue, relieve the pressure of head massage, relax the scalp, not only for the scalp, but also for the neck, legs, arms and other parts can bring deep relaxation and relieve stress. Spa It is very convenient to use in the center and in the office.