Maymom Brand Replacement Screw Ring Compatible with Avent Natural Bottles, (Screw Pink)

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