Post important messages, meeting notices, or directionsSingle free-standing letterboard owns a grooved felt surface for simple placement and alignment of letters. Changeable letter panel is enclosed with shatter-proof acrylic. Frame and stand are made of aluminum. Letterboard available in two sizes: 15H x 20"W and 18H x 24"W. Sturdy, adjustable pedestal base can be raised from a height of 49" up to 66".For complete set of white plastic letters, numbers, and symbols, see part number LH34. For letter storage box with tray, see part number S1.