A cuboid.
The solid shape/figure that has six rectangles as faces is called a rectangular prism. The general term for any shape with six faces, regardless of shape is a hexahedron.
rectangles and circles
Cuboid
rectangles
a cube
penatgon
A pentagonal prism.
A cuboid.
triangular prism
Rectangles (or squares).
Hexagonal Prism.
Cuboid