This is the Gator GTSA-KEY88D. A part of their TSA ATA Keyboard Cases Range. It is a TSA Series ATA Molded Polyethylene Keyboard Case with Wheels for Extra Deep 88-note Keyboards. Fits Extra Deep 88-note Keyboards with Nearly Indestructible Polyethylene Contruction. Features include - Two TSA Approved Locking Latches Ideal for Air Travel, Unique Wedge and Block Design for Interior Customization, 200lb Recessed In-Line Wheel Weight Capacity, and Ergo-Grip Comfort Top Handle.