The listing is for a pack of 50 sheets Sunmight 07221 waterproof Sheet, 5-1/2 in W x 9 in L, P1200 Grit, Silicon Carbide, These are new unopened packs. we also have separate listings available in the 1000-grit & 1500-grits. These are priced to sell and we a a total of 4 available on this listing.
