Features1RELIEVE SORENESS: The washable massage accessory head promotes blood circulation, activates muscles, and accelerates the recovery time of muscle pain. 2APPLICABLE AREA: You can use the muscle massager to relax muscles, tap the waist, rest your body and mind, and shape every muscle. 3EASY TO USE: The massage head is small in size, compact, lightweight, easy to install, and does not require special tools. 4WATER WASHING: Muscle massager head can be washed in water, easy to disassemble, and safe and hygienic to use. 5SILICONE MATERIAL: The replacement massager head is constructed of silicone, which is soft and skin friendly, and can be used directly on the skin, which is good for health.SpecificationItem Type: Muscle Massager HeadMaterial: Silicone Scope of Application: MassagerApplicable Caliber: Approx. 12 to 13mm / 0.47 to 0.51inApplicable Area: Massage the flat muscles of the waist and back, relax the body and mind, and shape every muscle in the body.Applicable Scenes: Travel, outing, familyPackage List1 xMuscle Massager Head