The Small Kanteen - a reusable, lightweight 12oz stainless steel bottle for cold beverages has a Flat Cap made of safe, non-leaching polypropylene plastic (pp#5).
Klean Kanteens are a healthy alternative to plastic water bottles that can leach harmful chemicals such as Bisphenol A (BPA).They are durable, ultra-light, toxin-free and non-leaching.
