[Super Lightweight and Tough]: 5 oz /140 g only, lighter than a smart phone, this lightweight briefcase is made of paper and fiber instead of leather, recyclable and degradable, no pollution at all. [Unbreakable case]: The laptop case is made of Tyvek paper, ultra thin but much tougher than normal laptop case envelope, waterproof and dust-free, it's hard to tear it bear-handed even on purpose. [Protect you laptop]: With flexible bumps inside, this unique laptop bag protects your computer from scratches and shocks. [Stylish, Reliable]: Special vintage style, this simple but attractive design with reliable zipper is different from regular briefcases, a good computer case should be a perfect match for both suits and casual styles. [Universal compatibility] :Compatible with MacBook Air 13, MacBook Pro Retina 13,Dell Inspiron 13/14, Dell Latitude E7470 14, HP Elitebook 830 13.3, HP Elitebook X360 1030 13.3, HP Spectre X360 13.3, HP Envy 13, HP Stream 13/14, HP Pavilion 14, Lenovo IdeaPad 710S/720S 13.3, Lenovo 720 13.3/Yoga 2 Pro/Yoga 920, Asus ZenBook 13.3, Acer Swift1/Swift7 13.3, Acer Swift5/Spin7 14, RAZER Blade Stealth 13.3 and most 13-13.3 Laptop