Black, rectangular foldable travel duffel bag

This is a black, rectangular foldable travel duffel bag designed with a built-in trolley sleeve that allows it to slide seamlessly over the handle of a rolling suitcase for easy transport. Made from durable nylon or polyester fabric, it features contrasting grey fabric carrying straps, a central zippered pocket decorated with a circular airplane emblem, and side mesh pockets for extra storage. The bag is shown resting on a white suitcase, with a bottom text banner specifying its dimensions as 45 cm in length, 16 cm in width, and 35 cm in height.