To use, insert the elastic cord through the tarp grommet and wrap around the ball.Holds tarps securely and reliably. High quality construction for long life.Outer coating resists UV rays and the elements.Contents: 3pc red & 3pc black. ⚠ WARNING: This product can expose you to DEHP, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.