Kettle Pack True Black Triple Ripstop. Clean lines and simplified design define the Burton Kettle Packâ??s back-to-school personality. Big stuff like textbooks and lunch go in the large main compartment, while phone, pens, pencils, and keys stash away in the front accessory pocket. The padded laptop sleeve lets you safely transport your computer, and the cush ergonomic shoulder straps let you carry it all in ease.