Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct

It fit well after properly measuring. Just make sure to ensure that you measure your nipples accurately, because even the slightest error can lead to wasting money on the wrong size.

My favorite inserts by far, I use them in my willow pump and when I pump with my spectra they’re great and comfortable

These work great with my Willow Go’s and my other “wall pump.” Very comfortable fit.

Really love these helped my pumping experience tenfold.

These inserts have made pumping so much more comfortable. They're very thin compared to other inserts so they fit a lot better, and they stay in place nicely without leaving a gap for milk to escape.

LOVE this pump. I used a Spectra during my maternity leave and thought I had a nursing/pumping schedule down pat. Then I went back to work full time and said schedule became worthless in a heartbeat. I work in healthcare and despite having a private office AND an extremely breast-friendly environment I just could not get my act together. Baby woke at a different time every day, some days I didn’t have time to pump before work, and I’d arrive to my first patients with two full boobs and nothing I could do about it for four+ hours. My supply dropped from plentiful to barely there to insufficient in the space of two weeks.Willow Go saved me. Day one I didn’t have time to pump before work and — BOOM popped these ladies in and saw my first three patients while pumping. Snuck away for five minutes to empty the milk into a bottle and rapidly disassemble everything (I keep the dirty parts in the fridge until lunchtime, when I wash them), then got right back to work. I could have cried, I was so happy.I can now pump 2-3 times during normal business hours and it’s been a game changer. Cleaning the parts is a pain in the ass but I can do that over lunch. I use my Spectra at home since it’s easier to clean. But I’ve come to prefer the Willow Go between the two.I’d heard from other users that the wearables don’t empty you like a Spectra or Medela but that thankfully has not been the case for me. I actually just use stimulation mode for the entire 25 minutes and that seems to work best for me for some weird reason. Anyhow my supply has now rebounded and mommy’s stress level is soooooooo much better. Yes you look like Dolly Parton wearing them and yes your boobs click and vibrate while they’re on BUT it’s so worth it. Five stars.

The inserts worked great and fit into my Willow pumps well.

Amazing