WriteWay Double-Sided Magnetic Dry Erase Standing Message Sign, Arrow, 64.25" Tall Black Stand, 25.5 x 17.75 White Face Designed to be easily noticed in any area. White steel, dual-sided dry-erase board features magnetic writing surface. Molded construction features UV inhibitors which allows both indoor/outdoor use. 18" diameter base can be weighted with water or sand for stability.