Sinaliy travel backpack, offers you an easy trip: designed with multiple carrying options like BACKPACK, SUITCASE and BRIEFCASE style. Shockproof The laptop backpack has good thick cushions in both laptop compartment and main compartment to protect laptop and other items inside the backpack. Larger Capacity It is suitable for 17.3 inch laptop. 40L carry-on backpack, which can be used for 3-7 days of travel. Waterproof The overall backpack for travel is made of waterproof fabric to keep you from getting wet in rainy days. Wet Bag There is a dry and wet separation compartment inside, which is convenient for you to store wet clothes. Thickened and Wide Handle The shoulder straps of the travel backpack can be hidden and make the backpack as a briefcase by using the thickened and wide top and side handles. THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER.