There are multiple partitions inside and outside the backpack. The waterproof insulation bag on the side can store water cups and umbrellas. The dry and wet separation compartment can hold sweaty towels and toiletries. The independent shoe storage bag at the bottom is designed with ventilation holes, which is not easy to be infected by odors. There is a computer bag in the large compartment. There is a hidden anti-theft compartment and elastic belt on the back. The elastic belt can stabilize the backpack on the suitcase. Multiple pockets make it easy to neatly organize your items.