40" Black Lightweight Expandable Rolling Wheeled Duffle Bag Spinner Suitcase Luggage This expandable duffel bag is made of 600D polyester material for more durability and strength. The original height of the bag is 20 but it can be expanded to 30 and 40 using the expander zippers at the bottom of the bag. Strong double zipper on the top provides easy access to the main compartment of the bag. (Double Zipper makes it possible to lock the main compartment using a small lock) Main compartment features a reinforcing strap that adds support to the main zipper and avoids the zipper to bust easily. Adjustable/Removable shoulder strap makes it easy to carry the bag on your shoulder. Two large pockets at front of the main compartment are perfect for storing small items and keeping them handy. 6 Heavy-Duty 360° spinner wheels make rolling and maneuvering effortless. When the bag is collapsed and folded the height is only 4 inches so storage doesn't take much room. This bag does not come with a retractable handle. Extremely Lightweight: Only 6 lbs Dimensions: Original Size: 24.5" L x 14.5" W x 20" H (Check in (Carry-on) size, 59 linear inches) One Expandable Zipper Open: 24.5" L x 14.5" W x 30" H Two Expandable Zippers Open: 24.5" L x 14.5" W x 40" H