Features:

• Includes stainless steel loop cap
• Wider mouth opening than Klean Kanteen Classic
• External threads work with most backpacking water filters
• Rounded corners leave no place for bacteria to hide 
• Safe alternative to plastic and lined metal containers
• Durable, lightweight, reusable and 100% recyclable
• Dishwasher friendly and BPA free water bottle
• No inner lining, clean tasting
• Non-leaching and toxin-free
• Wide mouth fits ice cubes

You can now remove particulates from your water with the SteriPEN FitsAll Filter Adapter for your Handheld UV Water Purifier.
WARNING: Do not allow Klean Kanteen stainless steel water bottle to freeze or place in freezer as this will cause damage to the bottle.