The Rapid Relief? premium reusable warm and cool gel breast pads reduce patient discomfort before and after a biopsy, mastectomy or cosmetic surgery as well as reducing swelling and easing pain and discomfort during breast feeding and helping the lactation process. The slim build of the pads allow them to be worn discretely under the clothing, and the cool gel naturally shapes itself to the patient's anatomy. Features Temperature:, Delivers approximately 42 deg C/108 deg F warm therapy when heated in a microwave, Delivers 1.5?C/34?F of cool relief when stored in the freezer. Contour-Gel technology allows the pad to gently contour to the breast being treated, and yet remain flexible when frozen, Slim design can fit inside the bra, Direct-to-skin application with Gentle Touch™ technology Application COLD THERAPY RELIEF:, Relieve pain due to post-cosmetic surgical swelling, Help alleviate pain and discomfort post-mastectomy, Minimize post-biopsy swelling and bruising WARM THERAPY RELIEF, Relieve engorgement, plugged ducts, mastitis or to encourage let down, Use with breast pump to encourage let down and reduce time pumping, Relieve bock ducts and mastitis