LotFancy 12 clear cavity cupcake containers are made of food grade PET plastic non-toxic safe and durable. These cupcake holders can be safely stacked due to interlocking lids and bases. Great for displaying you treats on a dessert table or counter. The durable plastic allows you to stack containers for an organized presentation and easy transportation. These clear plastic cupcake containers are suitable for a variety of cakes cupcakes cookies donuts macaron muffins fruits and other foods.