Use Danco top bibb gasket washers to fix your leaky faucet. The flat design of these washers helps prevent leaking and provides positive shutoff for your faucet. Repairing a dripping faucet is an easy and inexpensive alternative to replacing the entire fixture. Replacing worn out washers will provide a better seal and prevent leaks. Warning: This product can expose you to chemicals including 13-Butadiene which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - 1,3-Butadiene