HEAVY DUTY FABRIC: Made of heavy duty 1680D ballistic weave material. The solid rubber bottom not only keeps things dry but also lets the bag stand upright on its own. MULTIPLE POCKETS: The main compartment and front section with multiple pockets, slots and elastic bands to secure various handheld tools, power tools and bulky tools. Comes with a separate tool pouch to hold some small tools. OTHER DETAILS: The back padded laptop sleeve fits 15.6” laptop. 2 side pouches for keeping water bottle or other items.There is also a USB port for charging on the move. EASY TO CARRY: Sturdy top handles and breathable shoulder straps offer different ways for carrying. The straps across the front chest to distribute the weight better. It also has a luggage strap. DIMENSIONS: Backpack - 12.5” x 7” x 18”. Small pouch - 11.5” x 8” x 1”. Marscamd Tool Backpack with Hard Bottom and a Tool Pouch, Heavy Duty Tool Bag with Multiple Pockets and Laptop Sleeve