Ecopack offers many solutions to give the perfect shape to all recipes for sweet and savory muffins . Ecopack muffin moulds are made with high precision automatic lines , which allow to obtain a minimum tolerance in dimensions, making the moulds suitable for use on automatic unstacking machines . These baking moulds are made with anti-grease , non - stick paper and approved for contact with food . The ink used for printing resists temperature and the spraying of preservatives . Muffin moulds are self-supporting , they do not require baking trays.