Neoprene is the standard for blue water hunting bungee applications. First used by blue water hunting pioneers like terry maas during the 1980's for the Pursuit of giant tunas norprene's properties offering gradual resistance and stretch to 150% (X2.5 original length) of its original length. Our new 100' neoprene bungee uses 3/8 inch (9.6mm) tubing combined with 300' of 1000lb Dyneema core, broken into 2 sections of 50' each. The shock absorption qualities of the neoprene system used in conjunction with a float system of the right size provide very forgiving recoil properties which help reduce the risk of ripping off Trophy Fish.