what's your Willow size?

what's your Willow size?

For most moms, adding 2-4mm to your nipple size results in the most comfortable fit. Our team is here to help if you need it.

need help measuring?

Sizing Guide

if your nipple measurements

recommended Willow flange

additional sizing insert

11-13mm

24mm*

15mm

13-15mm

24mm*

17mm

15-17mm

24mm*

19mm

17-20mm

21mm

n/a

20-23mm

24mm

n/a

23-26mm

27mm

n/a

26-28mm

n/a

n/a

*Willow sizing inserts fit 24mm flanges and containers only.
Sizing inserts, containers, and flanges sold separately.

Questions? Our experts can help.
1-888-WILLOW-3