3-2/3 in. x 9 in. (9.3 cm x 22.8 cm). 6 sheets: 2 of each fine, medium, coarse. Limited Warranty - This product is warranted to be free of manufacturing defects. Simply return to HBC Home & Hardware Products and we will replace it. This warranty gives you specific legal rights, and you may also have other rights, which vary from state/province to state/province. Made in China.