<b>The Stainless Steel Cookie Sheet is made of Premium 430(18/0) stainless steel without chemical coating.No more aluminum into your food, bringing you a healthier cooking experience. </b> <br><br><b>SPECIFICATIONS: </b> <br>Outside Dimension:19 5/8 x 13 3/4 x 1 3/16 inch <br>Inside dimension:18 1/2 × 12 1/2 inch <br>Material: 430 Stainless steel  <br>Finish: Shiny mirror finish <br>Color:Sliver <br>Weight: 0.95KG <br><br><b>Package included: </b>  <br>2* baking sheet: 19 5/8L x 13 3/4W x 1 3/16H inch <br><br><b>Why you choose Stainless steel oven pan </b>  <br>1. Stainless steel pan is more healthier and non-toxic than aluminum pan <br>2. Stainless steel pan is dishwasher-safe, but aluminum pan not <br>3. Stainless steel sheet is more easier to clean even hand-wash <br>4. Stainless steel sheet less stick than aluminum pan <br><br><b>TIP for Stainless Steel</b> <br>Q:It is normal phenomenon the pan warp because of the uneven heat.It can return to its original shape when cooled down and doesn't its usage. <br>A: Avoid this is to preheat the pan and add your food after the pan is hot. <br><br><b>After-service: </b> <br>100% SATISFACTION -- 90 days return and money back guarantee, you can purchase without any risk.