Dell 15″ EcoLoop Essential Backpack-Black (CP3724), 20L Capacity, Water Bottle Holder, Water Resistant, Zippered Front Pocket, Reflective Elements, Foam Padded Laptop Compartment-Part Code: 460-BCTSAccessories & Peripherals, Bags & Sleeves, Computers & Accessories, Laptop Accessories, Laptop Backpacks, shop