Klean Kanteen with Loop Cap, (40 oz) The Klean Kanteen is made f electropolished stainless steel and is easy to clean, durable, inert, sanitary, sustainable, toxin-free and non-leaching Klean Kanteen is extremely durable and yet lightweight and portable Hot or cold liquids always taste clean and fresh when stored in Klean Kanteen water bottles 100% recyclable stainless steel and may be recyclable in your area Holds 40 ounces of liquid and comes with a screw top sports cap