Although Teniers mostly depicted scenes of peasant life, he also painted several interiors of guardrooms, full of armour and military paraphernalia. Here, the light enters from an obscured window on the left and falls on the objects, allowing Teniers to display his skill in depicting various materials and textures.
The blues, reds and whites concentrated in this area create a passage of colour, contrasting with the shady browns in the remainder of the picture. The splendidly ornate breastplate and helmet on the stand must belong to the commander.