rectangle
It could be a rectangular cuboid prism
That is a rectangular solid.
a rectangular prism, a cuboid
A rectangular cuboid
A rectangle.
A shoe box can be in the shape of a cuboid that has 6 faces, 12 edges and 8 vertices
a cube
cube
a rectangle
look on the shoe box,if not, look in inside the shoe
Rectangular prism
Rectangular prism.