MilkBank Insulated Feeding Bottle 5oz Our new, patented insulated feeding bottle keeps milk or formula warm (even for slow eaters), which is clinically proven healthiest for babies. Plus, the same bottle that is used for oxygen-free storage is also used for feeding. No milk transer...no mess...no waste. Insulated design for best nutritional absorption. Triple-vented system for smoother milk flow. Compatible with our vacuum storage system. For ages 3+ months. This set includes: 1-5oz Insulated Feeding Bottle