Incipio San Francisco Sleeve for 13-Inch MacBook Air - Black (IM-320) Available in two sizes for the MacBook Air: 11"/13" Weight: 11", .40 lbs./ 13", .57 Offered in two colors: Gunmetal and Black Slim low profile form protects without adding bulk Contrast stitching Offered in two colors: Gunmetal and Black. Slim low profile form protects without adding bulk. Contrast stitching. Padded interior & exterior. Fast access to your MacBook Air. TSA friendly for ease through airport security.