Confused about whether to buy PP or PES AVENT bottles?

They are both BPA Free, so what's the difference?

What is BPA?

Bisphenol A, also known as BPA is a chemical used to make certain types of plastics. It is thought that if consumed BPA can be harmful, especially throughout the early stages of development. It can interfere with healthy growth and body functions... babies are particularly vulnerable to this damage.

What is the difference between AVENT'S Polyethersulfone (PES) & Polypropylene (PP) Bottles?

• The Polyethersulfone (PES) Feeding Bottle is extra durable, and easy to clean. This premium quality feeding bottle has interchangeable design features and can be adapted to the changing needs of mother and baby. Honey coloured (transparent).
• The premium quality Polypropylene (PP) Feeding Bottle has interchangeable design features and can be adapted to the changing needs of mother and baby. White/Milky Coloured (Semi-transparent).

PP Bottles (Polypropylene	PES Bottles (Polyethersulfone)
0% BPA	0% BPA
White (semi transparent)	Honey (Transparent)
Anti-Colic Valve, adapter ring to be used, supplied with all PP bottles	Anti-Colic Valve, adapter ring not needed
Medium Temperature Resistance	High Temperature Resistance
Microwave resistance & dishwasher-proof	Microwave resistance & dishwasher-proof
Low scratch resistance, stiffness & rigidity	High impact / shatter resistant

Source: http://www.clickhealthandbeauty.com

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