Very practical duffle on wheels gives you 4600 cubic inches (26" x 12.75" x 13.5") into which you can place bulky toys and equipment, files, books, evaluation kits, your lunch and anything else you may need for a day of itinerant therapy. Made with durable polyester, push button retractable handle, recessed in-line skate wheel system and self repairing excel zippers. Large inner compartment with 8 smaller pockets for organizing smaller personal items and fine motor materials. A truly versatile piece for on the go therapy or travel.