18"x24" Non-Anodized Aluminum Frame Duroslate Chalkboard - Green

18x24 Non-Anodized Aluminum Frame Duroslate Chalkboard - Green. Duroslate Chalkboards - Ghent Duroslate composition chalkboards are the right choice when budgets are tight. A special carborundum slating is applied to a hardboard backing to create a uniform textured surface that produces sharp images and erases easily. Duroslate is available in green and black and is backed by a five-year guarantee. For best results be sure to “chalk-in” the board before its first usage and after every subsequent cleaning. FREE SHIPPING!