Microfiber. Superior erasability. Why you want this: Because everyone needs a clean slate. Plush microfiber design easily removes ink and dust. Washable material allows for cleaner longer erasing. Improved erasability over standard erasers. Packaging sourced from well-managed forests and other sources. Dreamed up under the California sun. ubrands.com. Proud Sponsor: Kids in Need Foundation. FSC: Mix - Packaging. www.fsc.org. Made in China.