Lansinoh TheraPearl 3-in-1 Breast Therapy packs provide therapeutic relief for the most common breastfeeding challenges. Nursing moms can use Lansinoh TheraPearl 3-in-1 Breast Therapy packs three ways: 1) Cold therapy relieves engorgement commonly experienced by nursing mothers. 2) Hot therapy helps relieve plugged ducts and mastitis and encourages milk let-down for breast feeding. 3) As a pumping aid. It?s the only product of its kind designed to work with a breast pump to encourage let-down and reduce time spent pumping. Simply heat the pack, insert into the soft covers, and snap on to any breast pump. Lansinoh TheraPearl 3-in-1 Breast Therapy packs can be stored in the refrigerator or freezer, are microwave safe, and are BPA and BPS free. The unique design conforms to your breast or pump to provide 360° relief. Founded by a breastfeeding mom, Lansinoh has been committed to helping moms succeed breast feeding for over 30 years. Lansinoh is a leader in breastfeeding products and accessories, famous for its award-winning cornerstone product, HPA Lanolin nipple cream and Lansinoh Soothies Gel Pads. For more information, please visit Lansinoh.com or connect with Lansinoh on Facebook, Twitter, Instagram, Pinterest and YouTube.