As often noticed, one breastshield doesn’t fit every woman. Every woman is unique and Medela has wide range of breastshields to meet every mother’s needs. Medela’s Personal Fit Breastshield is available in wide range allowing all the mothers to choose the right breastshield size for themselves to get maximum comfort and efficiency during expressing milk. Breast shields by Medela comes in sizes like S (21 mm), M(24mm), L(27mm), XL(30mm), XXL(36mm). Personal Fit Breastshield comes in five different sizes that are available in multipacks of 25 for hospitals.
For more details visit : http://www.medela.com/IN/en/breastfeeding/products/breastmilk-collecting/breastshields.html