This package of sandpaper includes 10 full size sheets (280mm x 230mm) of premium quality, waterproof silicon carbide. The grits included are 3 sheets of P400, 4 sheets of P800, and 3 sheets of P1000, making it suitable for fine sanding of metal surfaces such as car bodywork. The waterproof feature of the sandpaper allows for use in both dry and wet conditions, providing versatility and longevity.