Kirkland Signature 18/10 Stainless Steel 13-piece Cookware Set Professional quality: Constructed of 18/10 stainless steel, the tri-ply base is manufactured to allow even and efficient transfer of heat. Each pot and pan provides perfect cooking performance every time. 18/10 stainless steel lids: Heavy-gauge lids fit precisely for heat and nutrient retention. The snug fit promotes self-basting. 18/10 stainless steel handles: Handcrafted and hand-polished hollow cast handles are ergonomically designed to assist in natural wrist position and comfort. Handles are securely riveted for long life. Tri-ply base: Pans are manufactured with a tri-ply base construction consisting of a layer of thick aluminum encapsulated in stainless steel. The impact-bonde base enables the pan to reach and maintain the desired cooking temperature quickly and evenly, allowing heat settings to be reduced. Set Includes: 3 Qt/ 2.8 L Covered Saucepan, Steamer to fit 3 Qt Saucepan, 1.5 Qt/ 1.4 L Covered Saucepan, 4.5 Qt/ 4.3 L Covered Saut Pan, 4 Qt/ 3.8 L Covered Chef's Casserole, 8 Qt/ 7.6 L Covered Stockpot, 10.24 inch/ 26 cm Skillet, 8.66 inch/ 22 cm Skillet.