The designer silicone baking cups are made of 100% food-grade silicone, BPA free. These are eco-friendly, non-toxic, flexible, reusable and durable. These are cost-saving alternative to disposable paper cups and works with any standard muffin pan. One can effortlessly release without any greasing or cooking spray needed. They are stain and odor resistant. Buy Honeycomb Silicone Cake Muffin Pan at 100% off at ShoppySanta.