- Large Capacity :The backpack has a spacious interior that can accommodate all your essentials, making it perfect for long trips or commutes. - Waterproof :The backpack is made of waterproof material, ensuring that your belongings stay dry even in wet conditions. -Expandable :The backpack has an expandable feature that allows you to add more items without compromising on comfort or space. - USB Port :The backpack comes with a USB port, allowing you to charge your phone or other devices on the go. Please message if you have any questions! Here to help!