The Classic 18oz is a single-walled stainless steel water bottle designed with easy hydration in mind.

Specs: 

• Includes spill proof, high flow Sport Cap 3.0. Cap is not designed to be leakproof.
• Compatible with all Classic Caps, including the leak proof Loop Cap & plastic-free Bamboo Cap.
• Backed by the lifetime Strong as Steel guarantee.
• Klean Coat™ powder coat finish is 4X more durable, chip-resistant and safe for people and planet.