The PACKOUT™ Bottle with Chug Lid is a durable, versatile drinkware solution within the PACKOUT™ modular storage system. It features double-wall vacuum insulation for all-day hot or cold retention, is made from 18/8 stainless steel for maximum durability, and is dishwasher safe. The chug lid is compatible with all PACKOUT™ bottles and mugs, and its twist-and-lock mechanism allows secure integration with other PACKOUT™ components.