This is a set of three hair ties made using fabric from minä perhonen (^^♪ Size: 38mm Following day lumiukko mermaid These are not collaboration products of minä perhonen. The rubber bands can be replaced if damaged. They can be used for various purposes, such as hair ties or book bands. The back is made of black felt. Thin fabrics are created after applying interfacing. They are made with care, but please understand that they are handmade. Thank you. This is a set of three ^_^