Their work is graphic, detailed, realistic, exclusively in black and white with black felt pen and pencil, which allows a play of light and shadow to highlight volumes and textures.

The drawings are scanned and printed on high-quality, eco-labelled art paper, for 30x40cm posters.

Madame Hubert brings out two collections a year, the first in spring/summer, which focuses on sunny days and the ocean. And the second in autumn, featuring skis, marmots and mountains.