Silvershield antimicrobial technology is added to calphalon antimicrobial cutlery to prevent unwanted bacteria growth on knife handles. Knives stay sharp with sharpin technology. This product does not protect users or others against foodborne bacteria. This product contains Stainless Steel (Iron, Chromium, Manganese, Nickel, Phosphorus) FOR MORE INFORMATION ABOUT CHEMICALS IN THIS PRODUCT VISIT www.newellbrands.com/ChemicalDisclosures  Knife Blade Type: Stamped # Pieces In Set: 15 Included: 1 6 Inch Utility Knife(ves), 1 Self Sharpening Knife Block, 8 4 1/2 Inch Steak Knife(ves), 1 6 Inch Serrated Utility Knife(ves), 1 Pair of Kitchen Shears, 1 4 1/2 Inch Paring Knife(ves), 1 8 Inch Chefs Knife(ves), 1 7 Inch Santoku Knife(ves) Features: Triple Riveted, Antimicrobial, Built-In Sharpener Base Material: 100% Stainless Steel Handle Material: Plastic Care: Hand Wash Country of Origin: Imported