Baking Silicone Mat Set of 2 Non-stick Sheets Highly Durable Anti Slip Heat Resistant Fits half sheet pan. No oil or cooking spray is needed. Cleaning is a breath, just wipe and dry. Save time cleaning your pan and your oven Shorten baking time and spread heat evenly. Use thousands times the fiberglass and silicone are durable. FDA and LFGB approved on food grade silicone BPA and BPP free Oven, microwave and freezer safe can be used in temperature -40 to 480 degree F , -40-250 C 100% SATISFACTION GUARANTEE