Willow Hot and Cold Therapy Packs are thoughtfully designed to contour around your breast. These color-changing packs offer gentle, targeted therapy-hot to encourage milk letdown, cold to ease swelling and engorgement. The easy-to-see color change lets you know exactly when the pack reaches the ideal temperature, so you can focus on what matters most: caring for yourself and your baby. Reusable and convenient, they re an essential companion for every breastfeeding journey.