Backsplash 4-inch high backsplash to effectively prevent water splashes. Pre-Drilled faucet Holes Which is specifically designed to be suitable for installing 8-inch faucets ,the simply installs the faucet into the pre-drilled hole. Overflow Hole Anti-overflow, anti-clogging, odor removal, and smooth drainage. Eased edge The edges are smooth and round, comfortable to the touch, Increase overall aesthetics.