Travel Case that Expands by 47%. Maximize the packing potential of your checked luggage with our Spectra Medium Expandable case, whose flexibility allows for up to 47% more capacity. All of this thanks to the exterior compression straps that allow you to customize the size according to your requirements. Consider this 27.2” (69 cm) smooth-moving, eight-wheel, front-access case the only checked luggage you’ll need.