[Product Information]

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• plastic
• Imported
• BackJoy Muscle Roller Balls relieve stress and relax es muscles through simple self-massage， giving you a safe and effective way to reduce muscle pain and muscle tightness.
• BackJoy Muscle Roller Balls moves energy within the muscles， helps increase circulation， soothes muscle pain， helps soreness from post workouts. Relieves stiff muscles after workouts， and helps sore muscles rebuild quickly.
• The design targets both sides of the spine at once， while the connected design adds stability during use. Pressure from the self-massager helps release trigger points and tight muscles.
• Only buy from "Sold by BackJoy and Fulfilled by Amazon" to ensure you receive a genuine BackJoy product
• Includes verified certificate of authenticity from the original brand manufacturer. Wash with soap and water.