Size: Normal size is 40 x 21 x 32 cm, expandable height (Total height 61cm)- Wheels: Four removable and installable wheels for smooth movement in any direction- Rolling Duffle Bag with Spinner Wheels This duffel bag for traveling is equipped with four detachable wheels at the bottom, which makes it easier to pull even on rough or uneven surfaces, allowing the bag to move smoothly in any direction, making it easy to navigate through crowded airports, train stations, or busy streets. with 360 swivel wheels, you don't need to tilt or lift the travel bag, which reduces strain on your arms and shoulders during travel- Handle: Reinforced handle for easy carrying and pulling, Zipper: Durable metal zipper, Pocket 1 main pocket, 1 In side Zipper Pockect, 2 in side pocket- Foldable and Expandable Material: Made from wear-resistant, scratch-resistant, and waterproof nylon cloth with a polyester lining.