1· Material: 1"x1"x1/8" Angle Irons. 2· Frame Dimensions: 18.5"x30", 24.5"x24", 24.5"x36", 24.5"x40", 24.5"x52", 32.5"x52". 3· Holds up to 18"x24", 24"x18", 24"x32", 24"x36", 24"x48", 32"x48" signs. 4· These A frames are foldable and easy to move. 5· Ideal for indoor or outdoor displays. 6· A-frame is double-sided for maximum visibility. 7· Powder coated black to prevent rusting and to extend outdoor durability.