• Anti-colic glass bottle with clinically proven internal vent system to reduce colic. • Reduces spit-up, burping, and gas, providing a more comfortable feeding experience for the baby. • Consistent flow rate that mimics breastfeeding, allowing babies to feed at their own pace. • Helps preserve milk nutrients and improves digestion for better nighttime sleep. • The bottle grows with the baby: the internal vent system can be removed as the baby develops their feeding. • Dishwasher safe (top rack only), electric sterilizers, microwaves, and boiling water. BPA-free. • Product dimensions: 6.2 cm wide, 21.8 cm high, 6.2 cm long. Weight: 0.231 kg. • Packaging may vary.