Feature:1. Body Parts: Muscle massager head is suitable for large muscles such as buttocks, thighs, calves and other large muscles to relax soft tissues and sensitive muscle groups. It can relax and shape every muscle in your body.2. Activating Muscles: The ball head of the massage gun cooperates with the massage gun, and uses scientific vibration frequency and amplitude to activate the muscles.3. Material: The massage head is made of EVA material, which has a good shock absorption effect. It is safe and odorless, can be in direct contact with the skin, and can be washed directly with water.4. Relieve Fatigue: The deep tissue percussion plug can effectively relax the muscles of the body and relieve fatigue, allowing you to enjoy the relaxation of the body after a day of work and study.5. Reduce Soreness: The percussion plug head uses scientific vibration frequency and amplitude, which can activate muscles, increase blood flow, greatly reduce muscle recovery time, and be easy to replace.Specification:Item Type: Muscle massager headMaterial: EVAApplicable Caliber: Approx. 19mm / 0.75inApplicable Parts Of Ball head: Suitable for large muscles such as buttocks, thighs, calves, etc. To relax soft tissues and sensitive muscle groups..Package List:1 xMuscle Massager HeadNote:Please allow 12mm error due to manual measurement. Thanks for your understanding.