Replacement Screw Ring Compatible with Philips Avent Natural Bottles, Avent PP Bottles or Natural Glass Bottles; Not for AntiColi Nipple, Made by Maymom; Replace Avent Natural Screw Ring Collar

Compatible with Avent Natural Bottle parts - collar ring x4; Note it is NOT designed to fit Avent's classic dome cap or nipple. Cannot replace Avent Classic Collar Ring, Made of BPA, DEHP free material; Test reports are available online for your reference, Use these parts and buy Avent's Natural Nipples to convert your old Avent Classic bottles, pp or glass, into functioning like the new Avent Natural Bottles, Comply with EU and US FDA regulation for food contact. Tested by independent labs., Compatible with Avent Natrual Nipple ring