It is well known that using the correct breastshield size is important for your pumping comfort and optimal milk supply. it is also known that two-piece design offers easy to clean and wider compatibility with hands free bra advantages. the name brand companies do not offer 21 mm breastshield (shields). maymom is the first company world-wide to offer 13, 15, 17, 19, 25, 26, 28 and 32 mm internal diameter shields to fit mothers of special needs.
2x shields (21 mm, suitable for mothers with nipple diameter after pumping 19-20 mm)