Flange Sizing Kit

Find your perfect fit 🍒 The right flange size can make all the difference to your pumping comfort and experience. Our Flange Sizing Kit includes five sizes so you can find the fit that feels right for you. Each kit includes 1 x 13mm, 15mm, 17mm, 19mm and 21mm flange insert perfect if you’re unsure of your size, your sizing changes, or you simply want options on hand. Because when it comes to nipples, one size definitely does not fit all.