What's Included: TWO Hegen PCTO™ 240ml/8oz PPSU Feeding Bottles  TWO Medium Flow Teats Create the best feeding experience with your baby by using one of our Hegen baby bottles. Five main components (collar, seal, teat, container, & cap) that you & your baby will love. We enhance the experience by ensuring that the nipple is off center and elongated so that it could mimic a mother's breast. We often get asked: Are Hegen Bottles Anti-Colic? The answer is yes! The positioning of the nipple helps reduce gas & back flow along with additional help from our anti colic vents.  These stackable square baby bottles not only saves counter space but are wide opening for easy cleaning along with a no screw lid - just simply press to close & twist to open! Click on "Baby Bottle Features" to learn more.  Don't forget to check out our other accessories so that you can express, store, AND feed all in one container. No messy transfers - cherish every drop.