Klean Kanteen Classic 27oz Aqua flask -
Klean Kanteen

Klean Kanteen Classic 27oz Aqua flask

Our most popular size, the 27oz Classic is ideal for busy, on-the-go folks. Klean's leakproof Loop Cap safeguards your bag or purse, and Sport Cap 3.0 is ideal for the gym, featuring a soft silicone spout, 25% higher flow rate and "chirp" free experience.

Large 1.75" (44mm) opening fits ice, easy filling and pouring
Electropolished interior doesn't retain or impart flavors
Safe, durable, high quality materials
Portable, reusable, and recyclable