Material: 100% Cellulose Biodegradable Acetate Size: 3.5 inch X 2 inch These hair clips are really unique some of colors they are transparent. This hair clip is nice and smooth because it's nice and glossy because they each come with different designs and different colors. They are even comfortable to wear; these hair clips can be used on any type of hair. Acetate is plant-based biodegradable plastic in the simplest form. Cellulose acetate is made out of processed wood pulp, and also often regarded as nontoxic, nonirritant, and biodegradable material. Acetate is far more flexible and durable compared to conventional plastic that are fossil fuel based.