Liners contract like the breast, preventing air from entering the system, so you can see baby gets just milk — no air. Bottle preparation is easy. Just place a pre-sterilized liner into the bottle and fill, and then spend more quality time with baby. And it doesn’t hurt that cleanup is easy, too!
• Liner collapses as baby drinks so no air gets in the liquid or in baby's tummy
• Clinically shown to mimic breastfeeding*
• Ensures a fresh, pre-sterilized bottle at every feeding
• Leak-proof guarantee**
• Available in 4oz regular liners for newborns
• 10oz expandable liners for older babies expand to 10oz, but still fit in 8oz holders