WEIJI Running Number Belt for Running, Cycling,Marathon,Triathlon Race,with 6 Gel Loops to Attach Energy Gel --Soft and Comfortable,excellent elasticity,can be extended to its double length and back to original status without damage.The length of the running belt is 70cm-87cm, but it is elastic and can be stretched to a maximum length of 150cm. --Adjustable.Fits different sizes of bodies. --Professionally made for sports like triathlon, long-distance race,cycling. --Six gel loops design,perfect for energy gels storing,easy to use. --Convenient enough to be recognized in the dark with a light-reflective sign.