TheraPearl Childrens Pals Hot And Cold Therapy Pack is a fast, drug-free way to fix a boo-boo or soothe an insect sting. TheraPearl Pals are colorful, kid-sized animal friends that calm and comfort as they heal. The Pearl Technology conveniently holds its temperature for the doctor recommended time of 20 minutes and conforms to the body to deliver the perfect relief from aches and pains.