The outside of this laptop bag is made of high quality waterproof Oxford, high well-pad soft fleece inside, comfortable touch, provide 360 for your laptop and various device. Provide a removable shoulder strap, it can be use as shoulder bag or handbag base on your need. Hideable handle strap ,when hide it, easier to slide to your backpack as a inner bag. It will be a good partner for your daily use or business trip.