Flange

What is a Flange?

A flange is the cone-shaped part of a breast pump that fits over your breast.

What is Flange Size?

When referring to "flange size," it means the diameter of the tunnel where your nipple is drawn in during pumping.

Is There a Standard Flange Size?

Breastpumps usually offer a range of flange sizes, typically from 20 to 36 millimeters. When you purchase a pump, it generally comes with a standard flange size (around 24-25mm), although some brands may include two standard sizes.