Easy to Use - Simply place the reusable breast pads in the freezer or microwave until they reach the desired temperature. For cold, freeze the breast ice pads for at least 1-2 hours. For heating, microwave on medium power for 10 seconds at a time, up to a maximum of 30 seconds.Fits Various Breast Sizes - Breast pad size: 10.27.5 inches. This pair of larger-designed breastfeeding ice packs accommodates all breast sizes. Each breastfeeding pack features a soft plush backing that are friendly to our skin, adapting to the shape of each breast, providing maximum comfort and relief even for the most sore and tender breasts. If you prefer a colder or hotter sensation, you can use the gel bead side directly.Safety - The hot cold breast gel bead pads recommended by lactation consultants can be used indefinitely - healthy, safe, latex-free, lead-free, BPA/BPS-free. They can be used for warm or cold therapy or as a pumping aid.Reduce Pumping Time - Wrapping heated gel breast packs around the breasts during pumping helps promote milk let-down, making breastfeeding quicker and easier.Cold Therapy - Use as an breast therapy ice pack to relieve engorgement, swelling, and pain during breastfeeding.It can also natural relieve pain after breast surgery, such as breast augmentation or mastectomy.New Moms Essentials --This breast ice pack is essential for new mothers postpartum and during breastfeeding, which are also wonderful gifts for new moms.Easy to Clean--immerse the gel breast pads in mild soapy water and scrub the surface with a brush.Dry in a cool, shaded place.Hot Therapy - Use as a breast heating pad to alleviate clogged ducts and mastitis, and to encourage milk let-down during breastfeeding.