A piece of luggage comprising: a main body comprising a main body frame comprising a plurality of substantially parallel and opposed fiberglass (i) rods or (ii) pipes connected to a top panel at the top end of the main body frame and connected to a bottom panel at the bottom end of the main body frame; a covering material substantially surrounding the main body frame, the top panel and the bottom panel to provide a receptacle in the shape of a half shell; an expandable body comprising a collapsible portion, the expandable body being connected to the main body through the collapsible portion, the expandable body further comprising a wall defining a circumference of an expandable body frame; an expansion and locking device comprising a ratcheting assembly configured to allow free movement of the expandable body in a compression direction towards the main body and configured to enable locking of the expandable body in an expanding direction away from the main body; a cover pivotably connected to the expandable body; a zipper having a first half connected to the expandable body and a second half connected to the cover, wherein the first half and the second half are engageable to each other to close the cover with respect to the expandable body, such that a substantially enclosed space is defined by the main body, the expandable body and the cover; a first pair of rotational wheels mounted to the main body and a second pair of rotational wheels mounted to the expandable body; wherein the main body comprises: a pair of bottom brackets, to which the first pair of rotational wheels are mounted, respectively; and the expandable body comprises a pair of bottom corner receivers, to which the second pair of rotational wheels are mounted, respectively; wherein the luggage stands on the first pair of rotational wheels and the second pair of rotational wheels, the first pair of rotational wheels and the second pair of rotational wheels are rotatable along a rotational axis that is substantially parallel to a rolling surface and along a spin axis that is substantially perpendicular to the rolling surface; and an extendable handle provided externally of the main body. a main body comprising a main body frame comprising a plurality of substantially parallel and opposed fiberglass (i) rods or (ii) pipes connected to a top panel at the top end of the main body frame and connected to a bottom panel at the bottom end of the main body frame; a covering material substantially surrounding the main body frame, the top panel and the bottom panel to provide a receptacle in the shape of a half shell; an expandable body comprising a collapsible portion, the expandable body being connected to the main body through the collapsible portion, the expandable body further comprising a wall defining a circumference of an expandable body frame; an expansion and locking device comprising a ratcheting assembly configured to allow free movement of the expandable body in a compression direction towards the main body and configured to enable locking of the expandable body in an expanding direction away from the main body; a cover pivotably connected to the expandable body; a zipper having a first half connected to the expandable body and a second half connected to the cover, wherein the first half and the second half are engageable to each other to close the cover with respect to the expandable body, such that a substantially enclosed space is defined by the main body, the expandable body and the cover; a first pair of rotational wheels mounted to the main body and a second pair of rotational wheels mounted to the expandable body; wherein the main body comprises: a pair of bottom brackets, to which the first pair of rotational wheels are mounted, respectively; and the expandable body comprises a pair of bottom corner receivers, to which the second pair of rotational wheels are mounted, respectively; wherein the luggage stands on the first pair of rotational wheels and the second pair of rotational wheels, the first pair of rotational wheels and the second pair of rotational wheels are rotatable along a rotational axis that is substantially parallel to a rolling surface and along a spin axis that is substantially perpendicular to the rolling surface; and an extendable handle provided externally of the main body.