Ghent’s Traditional Enclosed Changeable Flannel Letter boards with Aluminum Frame are designed for indoor use. The frame is anodized aluminum in Satin finish. The ¼” precision grooved panels are available in flannel. A set of 3/4" Gothic font white letters, numbers and characters (327 pieces) is included. Doors feature full-length hinges and shatter-resistant acrylic panels with flush mount locks and keys for added security. Units feature concealed corner brackets for easy and secure mounting. Backed by Ghent’s 10-year guarantee. For indoor use. Made in the USA and TAA Compliant.