Philips Avent SCD208/01 BPA Free Natural Essentials Set provides everything a new parent needs for natural, safe, easy feeding and sterilizing. The 4 BPA-free Natural bottles included in this kit feature wide breast-shaped nipples with unique comfort petals promoting natural latch on and making it easy to combine breast and bottle feeding. The bottles have an advanced anti-colic system with innovative colic-reducing valve designed for less air in baby's tummy and a more comfortable feeding experience. The soft, flexible nipple mimics the feel of the breast. The set includes 2 Natural 9 ounce/260ml bottles with 2 Natural slow flow nipples, 2 Natural 4 ounce/125ml bottles with 2 Natural newborn nipples, Microwave Sterilizer, Bottle Brush, and 2 Soothie pacifiers (0-3m). The ultra-fast and easy to use Microwave Sterilizer kills 99.9% of harmful germs and sterilizes 4 bottles in just 2 minutes. The Bottle Brush's curved brush head and molded tip cleans hard to reach areas. Soothie Pacifiers are used by medical professionals to calm newborns, the highly durable pacifiers features hospital grade silicone and one piece construction.