HARD SHELL WITH REINFORCED SIDE WALLS - Delivers maximum protection on the jobsite 70 POCKETS AND SLOTS - For custom organization and easy access to tools on the job; includes an adjustable open tray design and interior electronics pocket 1680D HIGH-DENSITY BALLISTIC POLYESTER - Ultra-durable material resists wear and tear on the job for long-lasting life QUICK-CONNECT COMPATIBLE - Interlocking connection points allow you to quickly and effortlessly attach to STACK PACK toolboxes 40 LB. LOAD CAPACITY - Heavy load capacity for tools, materials, and accessories PADDED SHOULDER STRAPS WITH CHEST STRAP - For secure, comfortable transport to and from the jobsite ACCESSORIES INCLUDED - Level strap, tape measure clip, tape strap, and D-ring CUSTOM TAG & REFLECTIVE STRIP – For easy jobsite identification and added visibility ONE-YEAR WARRANTY - Register your new products and get a one-year limited warranty on your FLEX STACK PACK toolboxes and organizers