Avent Ultra Comfort Disposable Nursing Pads - 40 ct These Avent breast pads have a unique four layer construction, which incorporates a breathable leakproof backing sheet. Moisture is drawn from the front to the back of the pad by a highly absorbent core so that the layers next to the skin stay dry and air circulates more readily, reducing the risk of soreness. The design also features an anti-slip backing and a nipple indent for greater comfort.Unique layered construction for ULTRA absorbency, comfort and drynessULTRA soft top layer with nipple indent - keeps breast dry at all timesULTRA absorbent layer, cushioned for extra comfortULTRA absorbent core - draws in moisture to guard against embarrassmentULTRA breathable outer layer - helps avoid sore nipplesAnti-slip with adhesive tape keeps pads in place