Cotton Cherry Stone Carminative SocksIt is designed by putting cherry pits inside a bootie made of 100% cotton fabric and designed to stay on the baby's foot. Sevi Bebe has solved the biggest problem of mothers by making the Carminative Thermal Bootie. It is used by heating in a normal oven or microwave. Cherry pits preserve heat for a long time and help to relax your baby by slowly releasing it. After heating, do not forget to check the temperature by trying it on your parent's hand.