Container, toolbox, and cart

A device comprising:

• a bottom-side panel (110);
• a right-side panel (111) and a left-side panel (113), wherein the right-side panel (111) is generally perpendicular to the bottom-side panel (110), wherein the left-side panel (113) is generally perpendicular to the bottom-side panel (110), wherein a surface of the right-side panel (111) is substantially identical to a surface of the left-side panel (113);
• a front-side panel (112) and a rear-side panel (114), wherein the front-side panel (112) is generally perpendicular to the bottom-side panel (110), wherein the rear-side panel (114) is generally perpendicular to the bottom-side panel (110), wherein a surface of the front-side panel (112) is substantially identical to a surface of the rear-side panel (114);
• wherein the surface of the right-side panel (111) is greater than the surface of the front-side panel (112);
• wherein the right-side panel (111) comprises a first reinforcement tunnel (131) in proximity to a top rim of the right-side panel (111), wherein the first reinforcement tunnel (131) runs along a top edge of the right-side panel (111);
• wherein the left-side panel (113) comprises a second reinforcement tunnel (132) in proximity to a top rim of the left-side panel (113), wherein the second reinforcement tunnel (132) runs a top edge of the left-side panel (113).