4Although plastic induces environmental damages, almost all water bottles are made from 5 plastic and the consumption never stops increasing. This study evaluates the consumers' 6 willingness to pay (WTP) for different plastics used for water packaging. Successive messages 7 emphasizing the characteristics of plastic are delivered to participants allowing explaining 8 the influence of information on the consumers' WTP. We find that information has a mani-9 fest effect on WTP. We show there is a significant premium associated with recycled plastic 10 packaging and organic and biodegradable plastic packaging. As there is no consensus on the 11 plastic which is the most or the least dangerous for the environment, we propose different 12 policies for protecting the environment. We discuss about the impact of these policies on