Highland (9025100) 9" - 41" Rubber Adjustable Multi-Purpose EPDM Tarp Strap - 2 Piece Adjusts from 9" to 41" long Will not rot or lose stretchability with exposure to the elements Made from high quality black EPDM (Ethylene Propylene Diene Monomer) material Durable steel hooks are rust resistant UV and Ozone resistant