... 40x40cm, 50x50cm, 60x60cm, 70x70cm etc2. Material: clock movement+picture+MDF board3. Clock movemnt: battery drive4. MDF board thickness ... EPE, then put into hardboard carton, EPE in hardboard carton four corners for protection.10. Usage ... : wall clock used in hotel,office,home,restaurant,shop,library,shopping center ... on customers demand. wall clock picture with clock wall art