The PACKOUT™ Bottle Sip Lid is designed for durability and convenience as part of the PACKOUT™ modular storage system. Its double-wall vacuum insulation keeps drinks hot or cold all day, while 18/8 stainless steel construction ensures long-lasting durability. The lid is dishwasher safe and compatible across all PACKOUT™ bottles and mugs. A twist-and-lock mechanism allows secure connectivity with other PACKOUT™ components, making it ideal for the jobsite or on the go.