HIDDEN BALL COMPARTMENT - There is a mesh net on the bottom zipper of the backpack, which can be pulled out to store basketball, football, rugby, volleyball, helmet, etc. USB CHARGING PORT - Close the connected USB cable to your own mobile charger. This means you can easily charge your electronic devices on the go. EARPHONE PORT - External headphone port at the top of the student backpack. You can enjoy the music without opening the bag. MULTIFUNCTIONAL WEEKEND BAG - Equipped with a compartment for up to 15.6 inch laptops and many more pockets to store your books, phone, passport , your keys and your wallet. It is a multi-purpose backpack for women and men, suitable for sports, work, school, business trips and outdoor activities. DURABLE AND ECO-FRIENDLY MATERIALS - The main material is Oxford material, which ensures good air cooling and Convenience is designed with the elastic sponge on the back of the backpack. Widened and thickened padded shoulder straps with breathable mesh relieve pressure on your shoulders.