MATERIAL - cabinet tags are made of tough polystyrene INCLUDED - 20 square slotted cabinet tags; 20 metal cabinet hooks; 20 cabinet tag labels MEASUREMENTS - Cabinet tags 1-1/2" X 1-1/2"; Cabinet hook 1-1/16" X 5/32"; Cabinet Label 1/2" X 1" IDEAL USE - square slotted cabinet tags will fit into standard metal key cabinets LABELING - recessed area for writing on or using labels provided