Loop cap option that ensures the internal environment of bottles is completely stainless steel.
The Loop Cap was designed with athletes and multi-taskers in mind. The handy attachment loop makes it easy to clip your Klean Kanteen onto your backpack, climbing harness, bag or any other place you need quick, easy access to your drink.
Made from polypropylene (pp#5), which contains no BPA or other toxins.
It fits the Classic range of Klean Kanteen bottles.