Polkar Silicone Pastry Mat With Measurements,FDA Approved and BPA Free,Standard Size 23.6X15.7 inch,Non-slip Sheet Sticks to Countertop for Rolling Dough,Conversion Information Included 1 Made of FDA certified: BPA free,100% food grade silicone,no chemical odors, for safe; 2 Non-stick surface:Easy to work with any dough and no need cooking sprays,parchment paper and eliminate the use of excess flour. Non-skid: Sticks to your countertop for easy dough handing. 3 Easy measuring: pastry mat with conversion measurements ,easy convert from US to imperial.Now you can use recipes from all over the world and not worry about unit conversions .It has 5in to 12 in diameter circular makings for crafting pies,tortillas,ect. 4 Durable&Resistant: silicone pastry mat resist temperatures from-40 degrees F(-40C) to 450 degrees F(230C) 5 Easy cleaning: wipe with soap and water or use dishwasher ,and let air dry ,best stored flat or rolled up