Wear it 2 ways - convert from backpack to shoulder/crossbody bag by unattaching strap from the bottom and reattaching at the top. Blue with grey interior. Adjustable shoulder strap. Main compartment has a zippered pocket and padded sleeve. Front zippered pocket. Zippered mesh water bottle pouch. One large zipper pocket and two divided sections inside. Tethered key clip with LED light in main compartment. Great size. Approximately 12” x 9” x 5”. Spacious, but not too much room so it can be loaded up and make it heavy. Please review all photos as they serve as a visual description. Professional photos borrowed from Google Images.