The Dr. Brown's baby bottle bundle includes a 5 oz anti-colic wide-neck glass baby bottle and a 2-pack of storage and travel caps compatible with Dr. Brown's wide-neck bottles. The anti-colic bottle features a clinically proven internal vent system that reduces colic, spit-up, burping and gas for your baby. Its vacuum-free feeding system closely mimics breastfeeding while the breast-like nipple shape encourages proper latching. The vent system also helps preserve nutrients and aids digestion. Made of thermal shock-resistant glass, this sustainable and recyclable bottle is designed to grow with your baby through all feeding stages. The BPA-free slow flow nipple provides a consistent flow rate for self-paced feeding. The storage and travel caps securely seal wide-neck Dr. Brown's bottles for transport, storage and warming, making them ideal companions for air travel. Their leak-proof design keeps bottle contents safe in transit, in the fridge or when heating. Both bottle and caps are top-rack dishwasher safe and compatible with most sterilization methods. With its anti-colic design and versatile caps, this bundle offers a complete feeding solution tailored to your baby's developing needs.