Do not use on the surface of your fingernail or on cuticles. / Do not use this product if your fingernails are damaged or your fingertips are irritated. / Stop use immediately if fingernail irritation occurs. / Do not file too roughly. / Do not fold or bend the product. / Use and keep out of reach of infants. / Keep away from fire and other sources of heat. / Do not use this product for purposes other than its intended purposes. / As the material is natural wood, there may be some color variation, nodes and/or splinters.