This bottle easily converts into an infant bottle, sippy bottle or sport/water bottle by simply swapping the nipple out for another Pura silicone lid

• Single wall construction is lightweight, dishwasher safe, and shatter-proof
• Bottle and collar crafted from safe, anti-bacterial, #304 stainless steel
• Pura Natural Vent Nipple™, is crafted from 100% medical grade silicone
• BPA/BPS-free and will not leach toxins like plastic sport tops, bottles, or lids
• Internal volume markings make measuring your child's milk or other beverage a snap
• Compatible with wide neck nipples from Pura, ThinkBabyTM, BornFreeTM, and Dr. Brown'sTM and many others
• Medical grade silicone bottle sleeve
• Lifetime manufacturer’s warranty on stainless components
• Not for use with hot liquids