The Klean Kanteen K18CPPS-OB features the following cap:
The Klean Kanteen Classic 18oz Stainless - Ocean Blue is a water bottle that is constructed with BPA-free stainless steel and has a sleek Ocean Blue finish. The Klean Kanteen stainless steel water bottle is dishwasher safe and includes the very strong Sport Cap 3.0. This stainless steel sports bottle holds 18 ounces of liquid and is compact and portable enough to take with you everywhere.
Klean Kanteen Classic 18oz Stainless - Ocean Blue specifications: