The main material of the warm baby paste is iron powder salt, water activated carbon, mainly to generate heat, the highest temperature is 68°C can last for 12 hours. One package one sticker one piece is 300 packages. Miss manners, the first choice for ladies. Miss etiquette because of work and wear less clothes, love the United States because of the ladies to grace and ignore the temperature. The product also relieves menstrual cramps in women and girls.