In Voorontwerp van het gelegenheidsvaantje van de Parochie van de H. Familie, Borgerhout, Alfred Ost employs a vibrant color palette. The design features intricate floral motifs and elegant curves typical of the Art Nouveau style.

The composition is both decorative and functional, intended for a parish flag. The overall effect is one of harmony and beauty, inviting the viewer to appreciate the details. The artwork is a preliminary design for a parish flag, showcasing Ost's skill in decorative arts. The use of flowing lines and organic shapes reflects the Art Nouveau movement's emphasis on nature and craftsmanship.

Although the medium is unknown, the artwork likely utilizes watercolor or ink on paper, common for such designs. The dimensions are approximately 50 x 70 cm, making it a manageable size for display. Alfred Ost was a prominent Belgian artist known for his contributions to the Art Nouveau movement. This particular work illustrates his ability to blend artistic beauty with practical design.

An interesting fact about this piece is that it was created for the Parish of the Holy Family in Borgerhout, highlighting Ost's local engagement and the importance of community in his work. His designs often reflect the cultural identity of Belgium during the early 20th century.