Product Overview: Dr. Brown's Options+ is a versatile bottle system that grows with your baby, featuring a convertible vent system for customized feeding. Key Features: ‣ Includes 1 Options Baby Bottle, 1 Level-1 Silicone Nipple, 1 Cleaning brush ‣ The vent system enhances digestive comfort by reducing air intake ‣ Paced feeding valve ensures a feeding rate that mimics breastfeeding Specifications: ‣ Material: BPA-free polypropylene ‣ Capacity: 250ml ‣ Age suitability: From newborn to infant stages