Comfortable and lightweight design: The Sleeve's handles let you grab and go, making it easy to carry around. Damage is prevented by weather-resistant materials: the Heather Gray exterior resists water damage while you go about your day. Excellent functionality for Simple transportation: all of your daily necessities are kept close at hand by a front organizer panel, and easy-grip zipper pulls enable Simple access to your wallet or pens Most laptops with screens up to 15.6 inches can be fitted with Professional Sleeve 15.