Professional material: Imported natural rubber latex wire from Southeast Asia, which has excellent elasticity and resilience, ensures constant tension, and can be stretched up to 2 times. STURDY AND DURABLE: The high elastic rubber core ensures it won't tear or break easily. High-strength polypropylene cord cover is abrasion, UV and weather resistant. User Friendly: The bungee cord can be fixed in seconds, very easy to use. To attach, pull the elastic through the two eyelets and the loop over the ball. Can be used outdoors for more than 2 years. Shipping: 25 bungee cords. The rope is 0.15 inches in diameter, the ball is 1 inch in diameter, has a total length of 6 inches and can stretch up to 12 inches. MULTI-PURPOSE: 6 inches length is long enough for more daily binding needs and is reusable. Definitely a great helper for securing tarpaulins, tents, posters, banners, trampolines, projection screens and more. Strap Type: Adjustable