Holdall  from the X-Bag collection.

EXTERIOR: Made in durable, easy-to-clean satin nylon with leather finishings; broad leather handle; zipped side pocket; a strap on the back allows it to be secured to the trolley handle.
INTERIOR: It features a pouch that can be attached to one side via two press-stud buttons; it can be removed and the entire holdall can be stowed inside it; the pouch comes with a comfortable shoulder strap.