Cork Boards Model No: ACB-D Product Details: With streamline aluminum frame,plastic corner, the product is designed in odernstyle and adopts the natural cork sheet , it can meet the demand of usage in offices, schools and family etc. *backsize material:zinc/fiber * High strength oxide aluminum frame in grey silver * High quality natural cork sheet * ABS corner in high toughness * Different size for usage in various occasion * Full concealed metal installation accessories