This MATTE BLACK Klean Kanteen Wide 27 oz water bottle is a full stainless steel water bottle with full stainless interior. Included Loop Cap has a stainless steel base so your favorite beverage never touches plastic. Wide mouth opening is easy to fill, clean and single-wall construction is very lightweight and durable. Slim design fits most cup holders, bike cages and is a favorite for backpackers since the wide mouth opening fits most backcountry water filters for clean and safe water anywhere! If you're looking for an insulated bottle, check out the other Klean Kanteen we have!