The is made of EPDM Rubber. It features S-hooks on both ends for easy fastening. ProGrip Rubber Tarp Straps are ideal for most light duty applications. They are weather and UV ray resistant. 2-pieces per package.For light duty applicationsMade from EPDM rubberZinc plated S-hooksWeather and UV resistant. WARNING. This product can expose you to chemicals, includingCarbon, which are known to the State of California to cause canceror birth defects or other reproductive harm. For more information,go to www.p65Warnings.ca.gov