1. High-quality waterproof polyester cloth outside and soft crystal velvet inside, pearl cotton inner layer, super fiber nylon, spandex, PC material, PU handle, durable and elegant.2. Multiple material provides multiple-layer protection from dust, water, scratching or shocks.3. Ultra slim lightweight design which make it so convenient for daily use and traveling wherever you go.4. Smooth zipper on the bag glides smoothly, allowing for an easy and convenient access to your laptop computer.5. Water-repellent fabric material. You will never have to worry about spilling a drink or walking through the rain when your laptop is in this laptop sleeve.6. Large-capacity and multi-partition, for 15-16 inch laptop, wallet, mobile phone, data cable, mouse, power bank and other small objects storaging and organizing7. Portable trolley strap and shoulder strap carry design, release hands, more convenient8. Size: 40 x 30 x 3cm