Designed for the new version of Alienware laptops. Fits laptops up to 13". Durable high-density nylon exterior and weather-resistant non-slip base. Padded shoulder and chest straps for comfort and support. All-around Protection: A reinforced weather-resistant non-slip base provides added protection against the elements while easily bearing the weight of all your gear. Dedicated padded laptop and tablet compartments. Additional compartments and pockets for your accessories and gear. Hidden extendable mesh water bottle compartment Lifetime Warranty.