This is the "OneGo Shoulder Bag 10L" from PGYTECH, a popular brand among professional photographers and drone pilots. It features a clamshell design that opens wide, and customizable dividers for extremely smooth equipment access. This next-generation camera and gadget bag combines functionality and design. It's perfect for storing a mirrorless camera and 2-3 interchangeable lenses, or a drone set like the DJI Mavic series. It also has a padded tablet sleeve, making it an excellent everyday carry (EDC) bag.