Premium and Safe MaterialOur cupcake boxes are made of high quality paper and aluminum foil, which is oil-proof, non-toxic, odorless, non-fading and helps to hold humidity; oven, microwave.Muffin box The unique small square design makes the whole set very elegant and beautiful, adding a delicate style to the presentation box, making your candies more sacred and delicious SizeSet of 200, cup top diameter: 2.56"/6.5cm, cup bottom diameter: 1.96"/5cm, cup height: 1 .57"/4cm. Before ordering, please make sure the size fits your needs.Ideal Kitchen HelperOur high quality baking pans are high temperature resistant, won't crack. not easily deformed and non-toxic.Perfect for your daily baking use;great for birthdays, weddings, Christmas, baby showers, Thanksgiving and theme parties.