Magnetic Neck Protector With Self-heating Support For Neck Protectors With Neck Support Self-heating moxibustion, magnet, keep warm and comfortable, the neck It is suitable for alleviating neck and shoulder fatigue, cervical stiffness, cervical spine stiffening, and cervical cold caused by long-term face to the computer, long-term sitting in the office, incorrect sleeping posture, etc., and it can also be used to keep warm in winter. The protective gear should be used close to the. Wearing it for a period of can produce heat. When the heat is enough, you can wipe the hot with a wet towel According to the ergonomic design, it fits the neck and is comfortable to wear Warm fabrics, insulate the cold and dampness, lock in the heat and the neck from coldness, warm and comfortable! Product color: black Product specifications: size (adjustable) product fabric soft self-adhesive cloth Product size: 52CM10CM (20.5inchx5.5inch)\heating 12CMX9CM Maximum width: 14cm/5.51inch Note: Depending on the actual measurement environment and conditions, the size may have errors.