The Milwaukee Packout Insulated Bottle with Chug Lid features twist-to-lock Packout connectivity so you can attach your bottle to the top of your Packout solutions allowing for secure drink storage on the jobsite. The Packout Insulated Bottle has double-wall vacuum insulation, keeping drinks hot or cold all day. The impact-resistant body is constructed with .8mm thick 18/8 stainless steel to withstand harsh jobsite environments.