The MILWAUKEE® PACKOUT™ Black 20oz Tumbler (48-22-8392B) provides the longest temperature retention, keeping drinks hot or cold all day. The PACKOUT™ 20oz Tumbler has twist and lock PACKOUT™ Connectivity so you can attach your tumbler to the top of MILWAUKEE® PACKOUT™ solutions, allowing for secure drink storage on the jobsite. The smooth open & close lid provides quick and easy sliding with gloved hands while keeping dirt and debris away from the tumbler's opening. Milwaukee PACKOUT™ 20oz Tumbler is dishwasher safe. MILWAUKEE® PACKOUT™ is the industry's most versatile and durable modular storage system.