Pigeon Wishes buttons are made from bioresin, so they are derived from cellulose which is more durable than plastic. Bioresin behaves differently from plastic, so rather than being placed in a mold, the pimples have been cut by laser. Each button has a unique design. Carte of 6 buttons. Button: 4 holes. Dimer: 25 mm.Matière: bioresin. Machine the delicate cycle.