The Crofton Silicone Baking Mat is a versatile and practical addition to any kitchen. This rectangular mat fits perfectly into an 11x17 pan and is a sealed package. Color of mat is white and brown trim. Made of silicone, this baking mat is heat resistant up to 425 degrees F and is suitable for use in any oven or microwave. The non-stick surface coating makes it easy to clean and dishwasher safe, providing convenience and ease in your baking and cooking experience.