These microwave steam sterilizer bags will sterilize parts from Dr. Brown’s baby bottles. Use as directed. About the brand inspired by moms everywhere, Dr. Brown?s continues to innovate and develop products that focus on great functionality for parents and good health for baby. Every day We strive to deliver the reliable baby products that have made us a proven favourite with moms and dads. Whether our bottles are found in nicus, hospitals, and doctors office – or just on your kitchen counter – Dr. Brown’s bottles offer happy feeding to every baby.