Made of satin fabric, it is water resistant and durable. Glossy smooth satin fabric with fiber glue backing It is a seal type so there is no need for safety pins. Precautions for Use: Please do not stick on materials such as leather or synthetic leather, or other items that are prone to peel, such as yarn and long pile objects. If you leave it in a state for a long time, glue may remain, so please remove it immediately after use. Please do not wash with the seal after use. This may cause glue residue. Please do not stick on high quality materials (clothing that cannot be heard of) Please avoid using in water with strong water discharge. Printed toner may come off under strong friction conditions.