The Pigeon Electric Wearable Breast Pump comes with a 100% soft silicone flange cushion of flange size 24mm and a additional piece of flange insert 21mm.
24mm flange → fits 19-22mm nipple size,
21mm flange insert → fits 16-18mm nipple size,
18mm flange insert → fits 13-15mm nipple size (sold separately).
Flange and flange insert can be purchased as spare parts over at Pigeon Eshop (COMING SOON)!