If the batter cannot fill every cavity, put water in the empty cavity. No empty burning! Included Components: [‘Silicone mini loaf pans’]. Premium Quality: Our mini loaf cake baking pans are made of food-grade silicone, BPA free, fexible and heat resistant from -40℉~464℉, safe for oven, microwave, freezer and dishwasher use (We suggest to put a hard baking tray or sheet under these molds before filling them for easy transfer).