Glass anti-colic bottle $ 12.09 Caliber specification: wide caliber Shape: Arc Material: Glass Features: Specially designed small round holes for newborn babies, slow speed and anti-choking One-way anti-colic valve, physical pressure-sensitive air return, reduce air bubbles, and drink milk smoothly The design of the leak-proof card slot on the top of the dust-proof cover, does not leak 55mm ultra-wide mouth design, easy bottoming, clean and transparent at your fingertips
