• Material: 600D Polyester Reinforcing Strap. Three levels are foldable. 
• Comfort-grip carry handle. Adjustable and removable shoulder strap. 
• Two front pockets for quick storage. Collapses to 4" D. when not in use. 
• Six sturdy 360° swivel wheels for easy rolling. 
• The bag can be expanded with zippers from 20" to 30" to 40" high.
• Constructed dimensions: 24.5" L x 14.5" W x 20" H.
• Halfway expanded dimensions: 24.5" L x 14.5" W x 30" H (with first zipper open).
• Fully expanded dimensions: 24.5" L x 14.5" W x 40" H (both zippers open).
• Weight: 5.5 lbs.