A-Frame Message Sidewalk Sign And Letter Kit - By SmartSign | 42" H x 29" W Each order comes with one set of (314) 4" letters, numbers and symbols (black letters & red numbers). Curved sign face deflects winds of up to 30+ mph. For added stability in windy conditions fill the ballast port with water or sand. The EZ Lock feature offers security by deterring unauthorized individuals from pulling out or tampering with the sign. Recessed wheels sit above ground level and engage when sign is tipped for rolling. When in use, the sign rests on four rubber feet. All components are made in theUSAand offer superior quality to the imported knock-offs sold by most competitors.