This bundle of ten rubber tarp straps are 9 inches in length, with a maximum stretch of 14 inches. These rubber bungee cords are made of Ethylene Propylene Diene Monomer (EPDM) rubber. EPDM straps are very durable and are more resistant to UV degradation. Each strap contains a 2 inch S hook on each end. These versatile rubber tie down straps are best used in moderate to hot temperature climates.