DorazHG Silicone Baking Mat - Standard Half Size 16 1/2" x 11" - Rounded Corners and Thinner Borders. Premium Professional Non Stick Baking Sheet STANDARD HALF SHEET: Measures 16.5 inch X 11 inch, 0.75mm thick. Fits standard baking pan 18" x 13" NEW UNIQUE DESIGN: Rounded inner & outer edges for easier fit on baking pan. Concept designed in USA SLIMMER BOUNDARY EDGES FOR MORE BAKING SPACE: No need to skip brand prints on mat anymore PREMIUM MATERIAL: Non stick baking sheet. Made from high quality food grade silicone and fiber glass SAFE & EASY TO USE / MAINTAIN: Good up to 480F. Easy to clean with soap and water. Dishwasher safe