The Fuel Belt Revenge Series R30 Hydration Belt is Fuel Belt's new one size fits all belt that carries 3 7oz bottles. With 21oz fluid ounces now at your disposal, it is perfect step up if you’re finding yourself need a little more hydration than 2 bottle belts. This belt also features breathable Thermafoam padding, a removable storage pocket, three 7oz. BPA-free bottles, and an adjustable waistband. One size fits all.