The Cube bed from Pet Interiors comes in leather or imitation leather in three sizes and a handful of neutral colors. The classic, ultra-modern design features stained beechwood and a padded tufted interior for extra cushion.

The Cube Bed in beds furniture

The Cube Bed in beds furniture

The Cube Bed in beds furniture

Oddly enough, I think the cream one would be the perfect complement to my sofa (except that it costs just about as much as my sofa!):

The Cube Bed in beds furniture