9V Battery

Free App is available in Google Play or Apple store

Coupling size: 50mm

Helps protect bedding

13-4/5mm O

Medela PersonalFit™ Breast Shields 30mm XL, 6-1/4" x 3-1/2" x 3-1/2", Weight: 1-2/3 oz Sold By:Pack(age) of 2 9V BatteryMedela PersonalFit Breast Shields 30mm XL, 6 1 4" x 3 1 2" x 3 1 2", Weight: 1 2 3 oz Because moms' breasts come in different shapes and sizes, Medela has developed the PersonalFit Breast Shield System designed to ensure that you can find a comfortable, well fitted breast shield. Compatible with Medela breast pumps. Use with PersonalFit breast shields. BPA free. Not for use with the Single Deluxe breast pump. Chosen for you and your baby All parts