Feature: 1. Form-fitting sleeve for laptop and ultrabook with a 11-inch display. 2. Slim design allows you to carry the case by itself or in a bag. 3. Foam padding provides an over-all conservation for your laptop. 4. Quick zipper top-loading access through envelope-style design. 5. Clean design, high quality. 6. Excellent Quality , Practical and Stylish Design. 7. Material: ​Quick zipper top-loading access through envelope-style design and form-fitting sleeve, a top opening zipper gliding smoothly and allows convenient access to your device. 8. Size: Form-fitting sleeve for laptop and ultrabook with a 11-inch display. 9. Comfort and Convenience: This briefcase bag is suitable for different ages people. It will be a perfect partner for business men, women, teacher or student to use during travel, business trip, college and casual. 10. Quality: Foam padding provides an over-all conservation for your laptop. Quick zipper top-loading access through envelope-style design. Slim and lightweight design allows the case to be carried with you wherever you go.You can easily make your device slide into your briefcase, backpack or other bag. 11. Best Service: We will provide friendly customer service and 100% after-sales service. So I believe you will have a wonderful shopping experience. Specification: ​Quick zipper top-loading access through envelope-style design and form-fitting sleeve replacement for MacBook Air 11" and other laptop and ultrabook with a 11-inch display. Features: Form-fitting sleeve for laptop and ultrabook with a 11-inch display. Slim design allows you to carry the case by itself or in a bag. Foam padding provides an over-all conservation for your laptop. Quick zipper top-loading access through envelope-style design. Specifications: Material: Foam Color: black, dark blue, green, pink, red, gray, light pink, light blue(optional) Internal size: 30.5 * 22.5 * 1.3cm / 12.01 * 8.85 * 0.51in (L * W * H) External size: 31.5 * 23 * 1.5cm / 12.40 * 9.05 * 0.59in (L * W * H) ​Diagonal dimensions: 37cm Item weight: 70g / 2.48oz Package size: 31.5 * 23 * 1.5cm / 12.40 * 9.05 * 0.59in (L * W * H) Package list: 1 * Laptop Case Package List: 1 * Laptop Case