Klean Kanteen 12 oz Stainless Steel Sippy, Brushed Stainless The Klean Kanteen electropolished stainless steel is easy to clean, durable, inert, sanitary, sustainable, toxin-free and non-leaching Klean Kanteen is extremely durable and yet lightweight and portable Liquids always taste clean and fresh when stored in Klean Kanteen water bottles 100% recyclable stainless steel Holds 12 ounces of liquid and comes with an adaptor cap and one