Feature: 1. High Quality Material: Made of velvet neoprene, sturdy and durable, with a long service life. 2. Self Heating Design: Just wear this shoulder pad, and soon the shoulders will feel warm. 3. Speed Up Blood Circulation and Metabolism: Relax muscles, prevent spasms, and help reduce inflammation and swelling. 4. 18 Magnets: Can stimulate muscles and acupuncture points, care for the shoulders to relieve shoulder pain. 5. Adjustable: Comfortable to wear, soft self adhesive pads are easy to put on and take off. Specification: Item Type: Shoulder Guard Material: Velvet Neoprene Function: Wearing a Shoulder Pad for a Period of Time, the Shoulder Heat is Obvious, Gentle Warm Compress, Deep Penetration into the Subcutaneous Tissue, Promote Blood Circulation Built In 18 Magnets to Assist the Physiotherapy of the Shoulder and Neck Acupuncture Points to Generate the Magnetic Field Strength Needed by the Human Body to Protect the Health of the Shoulder and Neck. Package List: 1 x Shoulder Pads