Ceramic Folding Knife Ultra Sharp Durable,Easy to Clean FDA/LFGB/SGS Approved Anti-corrosion ... for years Stain and rust proof ,non-adhesion,very easy to cleanNo chemical reaction with the food ,no metallic ... and smellAnti-corrasion, never rust ,keep the food original color and flavour ,environment friendlyLightweight and nonmagnetic,make you more ... <0.6Thermal conductivityW/(m.k)2.5 Folding Utility Knife