nYou can find out whether you need a large breast pump cushion by checking whether your nipple fits comfortably in the cushion funnel. If your nipple touches or rubs against the walls of the cushion funnel, then you should choose the large breast pump cushion to ensure a more comfortable expressing experience.nThe large size soft massage cushion is compatible with all Philips AVENT Comfort breast pumps.nIf the nipple sits comfortably in the cushion funnel, you are using the correct size massage cushion.nIf your nipple touches or rubs against the wall of the cushion funnel, then you should choose the large breast pump cushion with wider funnel to ensure a more comfortable pumping experience.<br>