New Sealed Boxes 2 Boxes Playtex Baby Nurser Drop-Ins Baby Bottle Disposable Liners, 8-10 Ounce - 100 Count Each Box Pre-sterilized liner gently collapses like Mom s breast as baby feeds. Unique anti-colic liner gently collapses as baby feeds, preventing air bubbles from mixing with milk. Less air bubbles means less gas, colic and discomfort. Mimic natural breastfeeding by simulating same suck,...