This Kensington Triple Trek backpack is made from hard wearing 1680 denier ballistic nylon with a SnugFit protection system designed to protect devices measuring up to 14 inches. The backpack also features multiple pockets for accessories, carabiner clip for keys, headphone port and reflective zippers. With padded shoulder straps to reduce strain on the neck and shoulders, the backpack is designed for use with the Ultrabook and accessories.