The PACKOUT™ Bottle Sip Lid is a durable, 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 long-lasting durability. The lid is dishwasher safe and fully compatible across all PACKOUT™ bottles and mugs. A twist-and-lock mechanism allows it to securely connect with other PACKOUT™ components, making it ideal for use on the jobsite or on the go.