Pack of 6 Thikas plastic molds for use with Gomma Crepla (Fommy, Foam, Gomma Eva, Mousse, Moosgummi), Eco Pelle Nappa. With these molds you can create butterflies, as decorative elements or to insert into creative projects. Instructions for use: Heat your material using an iron or a plate. Place the heated material between the two molds. Press the two molds together and hold the pressure for a few seconds. Remove the material from the molds, which will now have the desired shape. Proceed to make your creation using hot glue or specific glues based on the materials used.