2pcs Aquaterior Modern Ceramic Above Counter Basins are compatible with wall-mounted & above-counter faucets Provides resistance against rust, corrosion; Features a one-hole overflow system enabling drainage and overflow prevention One-piece chromium alloy drain with a long hex nut for easy screwing, upgraded double gaskets to prevent leakage Easy to install by drilling a draining hole on the counter top and allowing for install quick installation Comes with 30-day return policy and 1-year warranty