One side features a snap-in letterboard, the other a dry-erase surface; recommended for indoor use only. Optional cork insert also available.Economical black plastic pedestal sign provides 11H x 14"W viewing areas on both sides. 290-piece 3/4" Helvetica letter and number set included.To view contents of letter and number set, simply click on the Product Guide button located above.Additional letter sets are available and sold separately (keyword: letter sets).Optional Cork Insert is available and sold separately (part number 47-01-C).Fill the base with sand or water for additional stability.Overall dimensions:47-01 Letterboard: 56"H (sign face measures 15H x 18"W)47-01-C Cork Insert: 11H x 14"W