This is the summary of consumer reviews for Evenflo Classic Glass Bottle - 8-Oz and 4 Oz.. The BoolPool rating for this product is Very Good, with 4.30 stars, and the price range is $4.86 - $9.99 (Pack of 3).

The Evenflo Classic Glass Bottle makes perfect sense for parents who do not like plastic feeding bottles. Made from 100 percent recyclable, thick and durable glass, these baby bottles are the perfect choice for eco-conscious parents. Evenflo Classic Glass Bottles are easy to wash and clean after every use. The glass bottles do not get scratched and do not become cloudy.  These baby feeding bottles come with silicone sensitive response nipple that lets the right amount of liquid to pass through depending on the pressure exerted by the baby. Micro air vents in the bottle ensure even flow of liquid.

Evenflo Classic Glass Bottles come in 2 sizes: 4Oz. and 8 Oz. in pack of 1, 3 or 6 bottles.  It is very easy to view the liquid in the bottle and the markings are etched, not painted. Users find these bottles more sanitary and safe for their babies. These bottles are dishwasher safe. Users like that these glass bottles are quick to warm in hot water and takes less water to warm up since glass heats up faster than plastic.

However, some users complain that the cap rings crack from over-tightening. And then the bottle may leak around the crack.

Overall, the Evenflo Classic Glass Bottles are highly rated and well liked by many parents of new born babies. These bottles are easy to use, clean and promote an even flow of liquid while preventing nipple collapse. Evenflo Classis Glass Bottles come with slow flow nipples suitable for babies from newborn to 3 months of age.