240 ml. Includes sealing disc. Better latch like the breast less colic (anti-colic valve prevents air bubbles to reduce gas and fussiness). Eases transition from breast to bottle. Anti-colic valve. BPA free. A better latch eases the transition from breast to bottle and back. Stretches. Better latch. Nipple stretches like the breast helping baby latch correctly. Pumps like the breast. Pressure against the nipple releases milk as baby sucks just the breast. Moves less colic. Prove a continuous latch help reduce symptoms to colic. Experienced moms agree, the latch bottle helps ease the transition from breast to bottle. Anti-Colic Valve: Prevents air bubbles to reduce fussiness. No air travels through breast milk. Latch Nipple: Baby latches correctly to ease the transition from breast to bottle and back. Less Colic: Anti-colic valve prevents air bubbles to reduce gas and fussiness. Like the Breast: The best transition occurs when bottle flow and mother's flow match. The Latch Stage 1 Nipple's flow has been reduced to mimic the flow of the breast. Grow with Baby: Stage 2 and 3 nipples allow you to increase the flow as your baby grows. The latch bottle is designed to help mother reach their breastfeeding goals. See how it works at latchbottles.com. Made in China.