This product is made of Oxford cloth and the interior is made of polyester. You can put down a 15.6 inch laptop at most. The outer Oxford fabric is waterproof and wear-resistant. The aluminum handle also allows you to carry it by hand. It is suitable for business trip, shopping or daily travel. This bag has a total of three large compartments. Inside the bag are pen pockets, mobile phone pockets, mouse pockets, etc. The thickened handle makes it more comfortable to carry in your hand.