The Klean Kanteen K40CPPL-BE includes the following cap:
The Klean Kanteen 40oz w/ Loop Cap - Black Eclipse is a portable drinking water bottle with a Black Eclipse finish that's constructed with durable food-grade stainless steel. This stainless steel sports bottle is BPA-free and has a convenient Loop Cap. The Klean Kanteen stainless steel water bottle holds 40 ounces of liquid and is built to last.
Klean Kanteen 40oz w/ Loop Cap - Black Eclipse specifications: