Flange Insert 4PC 15/17/19/21mm for Momcozy S12 pro/S9 pro/S9/S10/S12/Medela/Tsrete/Spectra/Bellababy etc 24mm Wearable Breast Pump, Reduce 24mm Tunnel Down to Other Correct Size

Super good quality! Sizing is so important for milk extraction and these help you find the perfect fit! I bought 2 so that I'd have one for each side. Perfect for the sterilizer too

These were super helpful when pumping to ensure the best suction. It made a big difference in supply if you are smaller than the average size that is provided with the pump

After dealing with weeks of painful pumping, areola/nipple trauma, lots of leaking around the flanges, etc - these cushions helped tremendously! I recommend using a little bit of nipple butter around your areola/nipple before using the cushion insert to prevent painful sticking. Definitely buy 2 packs, as only 1 of each of the 4 sizes come in a pack. There is also a nipple ruler sold that can help measure your actual nipple size for using the correct flange. If you're not already using a silicone contoured flex 24mm flange-- do yourself a favor and buy one before using the cushions. You'll get better results with the flange that molds to your breast much better than the regular plastic flange.

This is wonderful it helped so much with pumping the only thing wrong is that the only send one of each size so you will have to order two packs to get two of each size to pump both breast at the same time

Helped pump more milk out. I use size 17 & 19. Recommend if not producing enough milk it might be due to wrong size flange

I got the " sample pack", one each of four different sizes. I tried them out, and then ordered a three pack in the size i liked the best. They work well, good fit, good suction. Would order from again.

Only one of each size, better to get the flange attachment itself

These flange inserts fit my Spectra S1, Medela Pump in Style and portable DOOOB S10 Pro wearable breast pump. They are easy to clean and completely interchangeable when it comes to fit. My only complaint is that the package only comes with one of each size. It stinks when you find the size you want and only have one to use for one half of your pump session!