Waterproof nylon material. Dimensions: 16.5"L x 4.7"W x 12.2"H. Weight: about 1 Pounds. The white part is more like gentle beige color, not pure white color. Imported Waterproof nylon material. Dimensions: 16.5"L x 4.7"W x 12.2"H. Weight: about 3 Pounds. The white part is more like gentle beige color, not pure white color. Nylon lining Zipper closure Dry Clean Only USB Charging Port: Built-in USB port design allows you conveniently to charge cell phone by connecting power bank without opening backpack on the go. (Power bank is not included) Water Resistant Fabric: Made of water resistant, durable and breathable nylon fabric. Dual padded, reinforced and adjustable shoulder straps provide optimum comfort and fit snugly around your shoulders allowing. Large Capacity: Inner main pocket: The laptop lining can put an 15.6" laptop. Outer: 2 front zipper pocket, 2 side pockets and 1 front pockets with Velcro. Wide Open Design, rectangular opening providing easy access to the items at the bottom. Not be too bulky but roomy for everything you need. Functional & Stylish: You can use it as college school bookbag, business travel backpack, laptop backpack purse, carry-on bag, doctor teacher backpack, diaper/mom bag and a luggage for short trip. No-Risk When Order: Any problems with your bag, please contact us. We will solve it. The actual color of the backpack maybe a little different from the picture due to the different screen of display or reflection.