bungee cord or bungee loop,make of 100%latex ,high elastic. good color, harness is on good level bungee lcord bungy loop trampolin:High quality rubber-100% natureal latex rubber idesl for jumping.Bungee Features:1,size(diameter*length):8,10,12*300-3000mm(12-118'')2,high quality rubber-100%natural latex rubber3,holds most sizes and shapes4,weatherproof5,Ideal for jumping