With a new twist on an iconic classic, Evenflo feedings glass bottle offers style on top of superior sanitizing, recycling, and sustainability . The tempered glass bottle includes a classic slow flow soft silicone nipple with micro air vents to help prevent nipple collapse. Features: BPA free A modern twist on an iconic classic shape Tempered glass bottle offers superior sanitizing, recycling, and sustainability Silicone nipple with micro air vents helps prevent nipple collapse as well as reduce gas - Features a modern twist on an iconic classic shape - BPA free - Tempered glass bottle offers superior sanitizing, recycling, and sustainability - Silicone nipple with micro air vents helps prevent nipple collapse & reduces gas