The PACKOUT™ Bottle Sip Lid is a durable and versatile accessory in the PACKOUT™ modular storage system. It features double-wall vacuum insulation to keep drinks hot or cold all day and is made from 18/8 stainless steel for maximum durability. The lid is dishwasher safe and compatible across all PACKOUT™ bottles and mugs. Its twist-and-lock mechanism allows secure connectivity with other PACKOUT™ components, making it ideal for jobsite use or on the go.