”SIGG Switzerland, the makers of popular aluminum reusable water bottles -- a must-have accessory for the fashionably eco-friendly set -- admitted that prior to August 2008, their bottles contained the chemical Bisphenol-A (BPA). …

Thus, it's ironic that many eco-conscious consumers switched to SIGG bottles when they found out that Nalgene's old bottles contained BPA. While SIGG never said their bottles were BPA-free, they also did not correct the misconception that their bottles didn't contain the chemical.”