Flat, inverted, or even slightly inverted nipples can be one of many breastfeeding challenges. If you are still pregnant and would like to evert your nipple in the gentlest, safest, and painless way, the nipple former is available. Non-invasive and with permanent, long term results, the nipple former can be started on your 5th month of pregnancy or if breastfeeding already, any moment mom is not feeding or expressing milk. Ventilation holes at the back indicate that the product can be used for long periods of time.