Amazon.com : Maymom Brand Replacement Screw Ring Compatible with Philips Avent Natural Bottles, Avent PP Bottles or Natural Glass Bottles; Made by Maymom; Replace Avent Natural Screw Ring Collar : Baby
Philips Avent Natural Glass Baby Bottle: Lead-free, however 21 ppm Cadmium in the silicone nipple. Cadmium is a known carcinogen, but this is considered safe by all current standards.
Buy the AVENT Baby Bottle SCF673/37 Baby Bottle | Philips
2 Boxes of Philips Avent Glass Baby Bottles 8 OZ 240ML Made In USA 3 Pack | eBay