Displays2go Double Sided A-Frame Sidewalk Board, 24 x 46 Liquid Chalk Sign, Illuminated Glass, Aluminum (BFTA4624BK) Double sided sidewalk sign has an a-frame design. Portable and mobile, folds up in seconds! Each side of this sign board features a large 22.8"W x 30"H writing surface made of sleek tempred glass, which is scratch resistant. Tempered glass is designed for use with liquid chalk and wet erasemarkers Both sides of the a-frame are lit by a strip of LED lights. Choose from 4 animation settings and 16 color options. A remote and cleaning cloth are included. Displays2go SKU#: BFTA4624BK