How To Care For Your Butcher Black Cart/island/Workeenter Your Catskill nits is made of solid Northeastern Hardwood and hardwood veneered products and need care fo prevent the unit from diving out: Before your unit left the factory; ali parts were dipped in drug store quality mineral oll, a clear odorless, tasteless, FDA approved product. Mineral oll help keep the wood parts from drying ont and bring out the color/grain when applied.