Rugged Waterproof Molded Bottom Offers Protection From The Elements and Keeps The Backpack Standing For Convenient Access to Tools Three Main Storage Compartments For Test Tools, Hand Tools, and A Laptop/Tablet Built With Durable High-Quality Polyester For The Professional Is Built With Durable High-Quality Polyester and Features Over 30 Heavy-Duty Pockets For Storing and Carrying Your Tools to The Next Job. Three Main Storage Compartments For Test Tools, Hand Tools, and A Laptop/Tablet, A Fourth Smaller