For your thoughtful kitchen daily routine - a holder created for knives with powerful neodymium magnets that reliably and safely keep knives in place. True to its naturalistic style, BLOCK is exceptionally convenient to use: the holder is stable and sturdy. Walnut Wood Small:13x8x25 cm 510gMedium: 15,5x12x25 cm 1700g Care & Maintanence Daily Care: Wash with warm, soapy water immediately after use Rinse thoroughly and dry completely with a clean towel Never soak in water or put in the dishwasher Monthly Maintenance: Apply food-grade mineral oil or specialized cutting board oil Let the oil penetrate for several hours or overnight Wipe away excess oil with a clean cloth Deep Cleaning: For stubborn odors or stains, rub with coarse salt and half a lemon Rinse well and dry completely before oiling