Use for Shoulder, Back Power source Manual Material Plastic Item weight 240 Grams Colour Green Specific uses for product Pain relief Style fashion NECK MASSAGER: The Dual Trigger Point Massager Balls Give Feelings Hands of a Massagist for Deep Penetrating The Muscles and Instant. You Will Feel Refreshed and Relaxed after Just Five Minutes Massage. TRIGGER POINT MASSAGE ROLLER: Wiggle and Squeeze It Slightly to Adjust The Pressure You Prefer, and Then Get down into Your Lower Neck or Target Your Upper Neck. SELF BACK MASSAGER: It Can Be Given to Your Family and Friends As a Thoughtful and Practical Gift. They Will Definitely Be Very Happy. It Effectively Gets Out Tight Spots, Massages Deep Tissue, Increases Blood Flow and Circulation. PILLOW MASSAGER: The Simple Design Allows You to Direct The Massaging Balls onto Specific Pressure Points to Alleviate Pain and Stiffness in The Neck. Handles Are Flexible Enough That You Can Stretch in Different Directions, Easy to Use. CERVICAL SPINE MASSAGER: Give Yourself a Deep Tissue Massage at Home, in Your Office, or While Being on The Road. Powerful Massage; Provides Instant for Tight Achy Muscles and Stiff Necks. Neck Ball Massager for Neck