If you plan on storing your milk for weeks or months, consider using sterile bottles instead. (howtoadult.com)
And new mothers are hampered in preparing formula properly at the hospital unless they are offered sterile bottles, sterile or boiled water and proper bottle washing facilities. (amotherinisrael.com)
Simply add water, load the rack with bottles or other items and in just 2 minutes, you are good to go with sterile bottles. (myparentcenter.com)