Size: S Color: Gray Material: Polyvinyl chloride Unit count: 1.00 count Item weight: 93 grams {Far-infrared rapid heating} This convenient heating tape can quickly and safely heat up in 1 minute. The heating belt effectively relieves back pain, stomach pain, sciatica, herniated discs, scoliosis, hip pain, and more. {3 Adjustable Temperatures} Easy-to-use one-button control with 3 heating settings and an overheating protection function, allowing you to set the most comfortable temperature, suitable for everyone. 40°C for daily uterine care; 55°C for weakness and increased humidity before and after menstruation; 65°C for women with frequent dysmenorrhea. (Blue light 45°C, Green light 55°C, Red light 65°C) {Mobile Power & Washable} Mega-small and storable, can be used anywhere. Long-lasting use, suitable for home, office, and travel. No need to worry about running out of battery. This item has been stored at home, so please refrain from purchasing if you are concerned. Thank you. m(._.)m