Finecraft Care instructions The surface is coated with Food Safe oil (highest standards); Wood is a natural product and is NOT recommended for washing in the dishwasher; The chopping board should only be washed with a damp cloth and left to dry in an upright position; The life of the wood is extended by treating it with vegetable oil; If the wood is exposed to intense humidity and high temperatures, this can lead to cracking/discoloration/deformation. Cutting Board