You can confidently fill 8-cup with batter without worrying about the bread loaf pan bending or warping. Premium Silicone Bread Loaf Pan:Made from 100% food-grade premium silicone, AOTASO's small loaf pans are BPA free, odor-free and safe for use in oven, fridge, freezer and microwave, provide the ultimate convenient and healthy way to upgrade baking.