In The Sisters, two young women are depicted in a close embrace, their expressions serene and contemplative. The color palette is soft, featuring muted tones of blue and pink, which create a gentle atmosphere. The background is indistinct, focusing the viewer's attention on the figures.

The composition suggests a sense of intimacy and connection between the sisters. The painting is executed in oil on canvas, showcasing Whistler's skill in blending colors and textures. The brushwork is delicate, with fine details that highlight the sisters' features and clothing. The dimensions are approximately 60 x 80 cm, making it a medium-sized portrait.

This work exemplifies Whistler's approach to portraiture, emphasizing emotional depth over mere likeness. James Abbott McNeill Whistler was an American artist known for his unique style and innovative techniques. The Sisters is significant as it reflects his interest in the relationships between individuals, particularly familial bonds. An interesting fact about this work is that it was created during a period when Whistler was exploring the use of color and light in portraiture, moving away from traditional methods.

This painting is housed in the Museum of Fine Arts Boston, where it continues to engage viewers with its intimate portrayal of sisterhood.