Dr. Brown's 2 oz/60 ml glass wide-neck Options+ bottle features an anti-colic vent system and comes with a preemie nipple. This adorable bottle includes a charming lion decoration and is made from durable glass material, perfect for smaller feeds and premature babies. Key features: • Glass wide-neck design with 60 ml capacity • Anti-colic internal vent system • Includes preemie flow nipple • Cute lion forest-themed decoration • Clinically proven to reduce colic and gas • Breast-like nipple shape for natural feeding • Dishwasher safe and BPA-free glass construction The bottle features Dr. Brown's innovative Options+ system that can be used with or without the vent as baby's feeding develops. The wide-neck design makes cleaning easier, while the glass construction offers a premium, durable alternative to plastic. The preemie nipple is specifically designed with a slower flow rate suitable for premature babies or newborns. The cheerful lion decoration adds a playful touch while making feeding time more engaging for both parent and baby.