The 2 Pack Tommee Tippee Natural Start Anti-Colic Baby Bottles 5oz are a set of self-sterilizing bottles designed with anti-colic nipples and a vented design to reduce colic and gas buildup in babies. The bottles have a capacity of 150ml / 5oz, making them suitable for feeding infants. Made from BPA-free materials, these clear bottles are easy to clean and dishwasher safe. The bottles also come in a Closer To Nature design, ideal for parents looking to mimic breastfeeding as much as possible. This package includes two bottles, perfect for parents needing multiple bottles for their little one.