VERY THICK TRIPLE PADDING. LAPTOP Computer CARRY-ON 18" Wide, 17" tall, 9" front to back depth but also EXPANDS. Holds A LOT. A suit and TWO pairs pants, two shirts, Shoes,  A big thick old 15.6" inch laptop Computer, Book, cell phone, canteen of water, Snapple bottle, camera, cables, large blue Flashlight, small tripod, timer, newspaper.