The Catapult is bigger than a waist pack but smaller than a backpack. Functional bag that carries the essentials plus. Equipped with an extra long vista loop to fit u-lock and blinky light, the Catapult can sling both ways. Used only 1 time! No marks or tears or dirty spots. Size: 17.1" X 2.76" X 11.0" External webbing holds standard U-lock and bike light Padded shoulder strap and included stabilizer strap 1 outside zippered pocket Main compartment includes: - 2 inside slip pockets - 1 flat interior zippered pocket the length of the bag - A soft-lined interior pocket for 9" Tablet with velcro tab closure