Lightness: Light meets might.  Ultra light beveled alloy pull handle withstands the rigors of today's travelCapacity: Take it with you.  Spinners expand for added packing capacityMobility: Four Wheels, Zero Effort!  Four multi-directional Spinner wheels allow 360 degree upright rolling without any weight on your arm.Comfort: Padded top and side carry handles provide comfort when lifting a fully packed caseCompression straps keep clothing neatly packed while travelingRubberized textured corner protectors guard against wear and tear at critical contact pointsLarge front panel interior pocket for added packing organizationLarge, self-mending coil zippers for flawless closure