It is made of metal material. Each metal feather bookmark has a small hole at the end for you to store. This set includes 27 feather bookmarks of 9 different colors, with beautiful and unique appearance, rich quantity and diverse colors. It can provide you with a variety of options to meet your different needs. This design is very creative, like a realistic feather, which will make your reading interesting. Suitable for people who like reading, suitable for use in the library or study