Coal Denim Massive rolling duffel on wheels with book-style opening for easy packing and unpacking Easy ID accents on back help identify your bag Handles on top, center and bottom for easy grab-and-go Corner bumpers and Bi-Tech™ bottom help protect bag against urban obstacles Two-way lockable zippers and finger friendly zipper pulls on main compartment Interior zippered pocket that serves as a convenient Laundry Chute Interior compression wings to secure load Durable wheel and handle system for