108 Magnet Belt Support Protector Hot Compress Shoulder Protector Shoulder Strap Neck Protector Vest Features: Shoulder and neck hot compress, self heating, magnet curing, double effect . Warm fabric, also with heating neck protector (12 magnets) . Hot moxibustion physical , a new generation of self heating spots. Large area of back fever, good hot compress effect, effectively relieve shoulder and neck cold soreness. Acupoint magnet , with 108 energy magnets built in, fits the shoulders and protects the health of the shoulders. Accurately correspond to shoulder and back acupuncture points, with good physical effect, relieving periarthritis of shoulder and discomfort of shoulder and back. Two way elastic fixing belt, firmly worn. Improve the sloping shoulder, expand the shoulder and expand the back; 5 detachable ABS support strips to disperse lumbar pressure. Product Description: sizeM:25*19*6.5cmL:30*22*4.5cm xl31*22*5cm Package Content: 1X Neck vest Notes: Due to the different effect between the photo and the real, the actual color of the may be slightly different from the color shown in the picture. thank you Due to manual measurement, please allow slight measurement deviation.