The Dr. Brown'S Natural Flow Options+ Wide-Neck Bottle 2-Pack (270 Ml) Offers A More Natural Bottle-Feeding Experience And Eases The Transition From Breast To Bottle And Back Again .Soft, Silicone Nipple With A Breast-Like Shape Gives Babies A More Comfortable Feeding Experience .Anti-Colic Vent System Reduces Spit-Up, Burping, And Gas .Offers A Flow Rate That Supports Breastfeeding .Wide Opening For Easy Filling And Cleaning .Each Bottle Holds 270 Ml/9 Oz Liquid .خالية من مادة ثنائي الفينول أ ويمكن غسلها بأمان في غسالة الأطباق (على الرف العلوي) ووضعها في جهاز التعقيم .