High quality Material: The outside of this laptop bag is made of high quality waterproof Oxford, high well-pad soft fleece inside, comfortable touch, provide 360protection for your laptop and various device. Multifunctional lightweight Laptop Sleeve: 2-way to carry: provide a removable shoulder strap,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. Excellent Detail: Use exquisite zipper, all stress points have been strengthened, make sure the bag does not fall apart when carrying heavy goods. Size: 40 x 30 x 3cm, fits 15/ 15.6 inch laptop/ computer/ notebook.(Please allow a little size different because of manual measurement)