1.material: 304 sainless steel,silicone, made of food grade material. 2.it takes one step to make a beautiful flower. 3.lightweight moulds easy to use and easy to clean. 4.made with durable and premium materials so they can last for as long as possible. 5.perfect to decorate your cakes and cookies. 6.convenient to use, you can find all the common cake decorating tools in this kit, convenient for home backing and cake making