The HKJ Chef Stainless Steel Baking Sheet is make of 18/0 stainless steel and The baking rack are high quality pure 18/8 stainless steell.Without chemical coating or any other materials.No more aluminum into your food, Good replacement to aluminum pan. It is very healthful and safe to protect your family health.The superior mirror finish for easy and effortless cleanup. Dimension: 2* Cookie sheet Length12.5x Width10x Height 1 inch 2* Cooling rack Length12x Width 9x Height 0.5 inch Material: 18/0 Stainless steel Color: Sliver Weight: 1406g Package included: 2* Cookie sheet 12.5L x 10W x1H inch 2* Cooling rack 12L x 9W x 0.5H inch Why you need to chose Stainless steel Baking sheets Because In Order To Protect Family's health 1. Stainless steel is more healthy and non-toxic than aluminum 2. Stainless steel is dishwasher-safe, but aluminum not 3. Stainless steel is more easily to clean even hand-wash 4. Stainless steel, food cook more evenly, less stick Notice: 1. Please use soft cleaning rag to clean the sheets for the beauty of its surface. 2. Please clean and dry the baking pan after using for its durability. 3. Make more delicious,have a good time with family. TIP for Stainless Steel 1.You can use a light spray or grease the pan with a little oil or butter to avoid food stick. 2.Please do not use sharp objects to scratch the surface. Guarantee We have a commitment to each customer 100% satisfaction. After all, we are buyers too, so if you have any problem about our products, just contact us any time you feel comfortable. 100% satisfaction guarantee for risk-free shopping.