Tiger Chef Heavy-Duty Stainless Steel Stock Pot with Cover and Aluminum Steamer Basket (16 Quart) PERFECT HEAT DISTRIBUTION: stainless steel with a Heavy-Duty 3-ply bottom consisting of two layers of stainless steel surrounding a 5 mm thick aluminum core. This affects even heat distribution spreading heat quickly and evenly, eliminating hot spots. NSF CERTIFIED SUPER STEEL: NSF means a HIGH QUALITY. Items marked with the NSF logo means that the item and its manufacturing facility was tested and approved by the independent testing company called NSF to be safe for commercial use. DRIP FREE: The pots tapered edges provide drip-free pouring DISHWASHER SAFE: Mirror polished stock pot in stainless steel comes out beautifully of the dishwasher looking like new. 100% SATISFACTION GUARANTEE: Buy with confidence because we offer a Money Back Guarantee if you do not love this product!