Our PACKOUT™ modular storage system is the industry's most durable and versatile storage system. The PACKOUT™ backpack has an impact-resistant molded base that you can connect with all other PACKOUT™ system components via integrated locking cleats. We constructed the durable jobsite backpack with tear-resistant 1680D ballistic material so it can withstand harsh job site environments. The heavy duty backpack features 48 pockets, including a hardshell pocket designed for sensitive equipment, providing you with optimized storage capacity. Our PACKOUT™ modular storage system allows you to customize and build your own storage system to easily transport and organize your tools and accessories. Milwaukee® PACKOUT™ Backpack, 15.75 in L x 11.81 in W x 15.75 in H Outside, 1680D Ballistic, Black/Red, 48 Divider Slots