Alpha 2 Carry-On 4 Wheel Garment Bag Black. Collection highlights include: 4-wheel cases with 360° wheels that are recessed into the bodies of the cases to provide more interior space, a lower center of gravity and stable multi-directional navigation, our patented Durafold™ Construction method that reinforces thecase frames for superior strength and longevity, impact-resistant caps that provide additional corner durability, and our super-to