alphabet board 1. our patent design 2. conform to ASTM F963, ... , GB 6675, ST2002 standard 3. conform to CE, ICTI, ISO900 alphabet board1. Features & SpecificationsItem No.1764DescriptionA-Z LettersMaterialply woodDimension30x22.5x0.8 ... toys safety standard6. keep open and continually improving Top Bright alphabet board