<Seal & Iron-on Patch> ● Materials: Surface...Rayon, Polyester / Back...Acrylic resin ● Contents: 3 pieces [Product Features] Cute petit seal patches of "Dick Bruna," loved by everyone. It's very convenient as you can easily attach them as stickers or with an iron. You can also use them on heat-sensitive materials that cannot be ironed, as well as on vinyl and stationery. These are essential items for making kindergarten and school entrance goods such as lesson bags, gym clothes bags, and shoe bags.