A guard device for preventing accumulation of items under a piece of furniture featuring a center panel, a first extension plate, a second extension plate, a third extension plate, a fourth extension plate, and a back panel. The panel and extension plates removably attach to each other via attachment means and together form a barrier around a piece of furniture with the extension plates functioning as side panels. The attachment means allow the height, width, and length of the device to be adjusted to fit around the piece of furniture. The device also features securing tabs pivotally attached to the top edge of both the center panel and back panel. The securing tabs help keep the device secured around the furniture.