The Evenflo Classic 4oz. Glass Nursers are free of the chemicals used in the plastic bottle alternative. This pack includes 3 sensitive response nipples made of silicone that more closely resemble the shape and feel of a real nipple. The bottles features micro-vents which allow for a more even flow of liquid as well as reduce nipple collapse.

• Clear glass bottle makes it easy to see the amount of milk.
• Easy to clean, dishwasher safe and does not hold stain and smell like ordinary plastic bottles.