【Durable Latex Core Material】Durable latex material to stay elasticity for a long time. The Bungee straps are made of high-quality durable interwoven rubber and oxford fiber, wrapped with nylon yarn for external use, has 2.5 times the pulling force and strong rebound force and increase the life of the bungee cord. 【Buckle Straps Adjust】3D cross sewing elastic rope both sides with galvanized strong metal hooks, galvanized hook wont break or rust. The minimum original length is 43" (110cm). Max original length 80" (200cm). The super stretch range up to 188" (470cm). The super stretch range can be stretched infinitely according to the size of the item. 【Super Elasticity】Compared to an ordinary round bungee cord, the heavy-duty bungee cord with flat design can prevent sliding, denting and cutting into cargo, boxes and improve cargo safety. The wide bungie rope with hooks with 3cm width, very suitable for dispersing the pressure on a large cargo surface area. 【Better Rope & Hook Connection】The elastic bungee cord made of cross sewing process can prevent the rope from breaking at the connection between the rope and the hook during the stretching process. Adopt triangular ring hook design for more even force. 【Multifunctional Usage】4 Pack adjustable elastic band not only to fix mobile boxes and luggage roof rack, but also to fix trash cans, hand carts, bike, motorcycle, camping, tents, heavy objects, tarps, clotheslines, gardening and outdoors fixings.