For best results and to maintain the beauty of the wood, hand wash with a mild detergent and dry thoroughly. Features: -Set include: butter dish and knife. -Made from olive wood. -Light wipe of food safe mineral oil/beeswax can be used to restore the wood to its original luster. -Do not put in the dishwasher. Dimensions: -1.5" H x 5.7" W x 7.86" D, 0.44 lb.