The Lku 12-Inch x 16-Inch Non-Spill Baking Sheet is constructed of silicone and is designed to provide a perfect baking surface for all your culinary creations. Made from high-quality, food-grade silicone, this baking sheet ensures even heat distribution for consistent results every time. Its non-spill design features raised edges to prevent spills and overflow, making it ideal for baking cookies, pastries, and more. The non-stick surface allows for easy release and effortless cleanup, making your baking sessions more enjoyable and efficient.