Standard neck anti colic bottle Helps decrease gassiness/air intake and burping with a non-squeeze method The system is 100% directed by the infant’s tongue and jaw movement to express a fluid bolus through the infant’s compression action Fully reusable system Easy to clean – dishwasher, sterilize, autoclave, etc Discover Dr. Brown’s Medical Specialty Feeding System Narrow Neck Bottle, offering convenience and comfort. This 250ml bottle ensures smooth feeding experiences for your little one. Choose quality and reliability for your baby's needs. The bottle is made with BPA-free material which is a safe option for your little one. Ideal Capacity The bottle can hold 250 ml which can be used with or without the vents. Anti Colic Bottle The anti-colic design reduces the amount of air they swallow while allowing an even flow during feedings.