Targus Twill Sleeve for 11.6-Inch Laptops/Ultrabooks/MacBook Air/MacBook Pro, Black (TBS610US) Protection - The exterior is made of a durable, easy-to-clean twill material to add a layer of protection when transporting your laptop. The interior has a soft lining to help prevent scratches. Security - A snap closure keeps your laptop secure. Convenience - Easily slip the sleeve into another bag/backpack or carry on its own. Compatibility - Designed to protect laptops, Ultrabooks and MacBook Air and Pro with up to 11.6" screens Material - Water-resistant and easy to clean twill