In La Fée du Rocher Pl.7, vibrant colors dominate the composition, with a striking use of greens and blues. The central figure, a fairy, is depicted in a flowing gown, surrounded by floral motifs that enhance the enchanting atmosphere. The background features a dreamy landscape that complements the fairy's ethereal presence.

Overall, the artwork captures the whimsical essence of the Art Nouveau movement. The painting is executed in lithograph, a popular medium for posters during the late 19th century. Viewers can appreciate the intricate details in the fairy's attire and the surrounding floral elements. The use of line and color showcases Chéret's mastery of the lithographic process, creating a visually appealing composition.

The dimensions are approximately 60 x 90 cm, making it a notable piece for display. Jules Chéret was a prominent figure in the Art Nouveau movement, known for his innovative poster designs. La Fée du Rocher Pl.7 exemplifies his ability to blend fantasy with decorative art. An interesting fact about this work is that it was part of a series of posters that celebrated the beauty of nature and femininity.

Chéret's work significantly influenced the visual culture of the time, making him a key player in the evolution of modern graphic design.