LaVie's patented massage pads are made to suit any breast size, shape, and position comfortably. They work with every type of breast pump, and fit easily in your favorite pumping bra. Loved by pumping moms everywhere as a pumping support tool. Great baby shower gift. Includes 2 warming + vibrating lactation massager pads powered by rechargeable batteries, a soft carrying pouch, and a USB charging cords for convenient charging at home or on the go. Durable design ensures that they will last throughout your breastfeeding journey. FSA eligible and HSA eligible. How to use: Start with low heat and vibration settings to test sensitivity, try placing the pads on different positions on the breast. Use heat settings for up to 10 minutes at a time. Do not use the heating setting for more than 10 minutes. Battery Tip: The heating setting will shorten battery life. Reacharge between pumps.