Large printed 1-100 number chart, perfect for helping children practice counting to 100! Chalkboard size: W 60 x H 84cm (A1) This shaped chalkboard is made from a 6mm chalkboard surface and can be cleaned with a damp cloth and household cleaner (avoid using an abrasive cleaner as this will damage the surface) Our chalkboards are designed to be used with wet-wipe liquid chalk markers or Stick Chalk Suitable to be used both indoors and outdoors